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Timing Belt Catalogue INDEX NEXT

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Timing Belt Catalogue

INDEX NEXT

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The Company

T.D. Cross Ltd., reserve the right to change without notification dimensional and/or product specification shown in this catalogue, and to add or delete any product fromthe range in the interests of product development.All products shown in this catalogue are offered subject to the standard “Terms and Conditions of Sale”, copies on request. T.D. Cross Ltd., reserve copyright of thiscatalogue. No part thereof may be reproduced without prior permission.

Cross & Morse was established in 1984 through the amalgamation of two long standing and well respectedcompanies in the Power Transmission Industry, T.D. Cross and Morse Chain.

T.D. Cross & Sons was founded in 1870 in Birmingham, concentrating in the production of bicycle components underthe direction of the Cross family. They moved to the current factory site in 1950 and developed into production of apopular range of roller chain sprockets and gearing. The competitive pricing and quality of product soon establishedthe Company as a major supplier to both Agricultural and Industrial markets.

The Morse Chain Company was founded in 1894 also for the manufacture of bicycles in Pennsylvania, U.S.A. Thecompany moved into production of inverted tooth chain drives and established a manufacturing plant in London in1907, moving to the new Garden City of Letchworth, Herts. in 1918. The product range in the U.K. was developed toinclude Roller Chain and Sprockets, Couplings, Torque Limiters, Sprag Clutches and Timing Belt Drives, whilst in theU.S.A. by acquisition Morse also included the Denver Gearbox Range and the Sealmaster Bearing Products.

In 1987 Cross & Morse closed the Letchworth plant and centralised all production at the 10,000 sq. metre factory inGreat Barr, Birmingham where current production of Roller Chains, Sprockets, Gears, Timing Belt Pulleys, TorqueLimiters, Sprag Clutches and other specialised power transmission equipment is undertaken. In addition tomanufactured products, Cross & Morse are main agents for Morse-Emerson, U.S.A.; and Stieber Formsprag,Germany; providing an extensive range of power transmission products.

The company operates a policy of continued assessment to develop and improve its products and customer service.In pursuance of these objectives Cross & Morse has been successfully assessed by Lloyds, and is registered, as anapproved manufacturer of power transmission products to BS EN ISO 9001.

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Timing Belts Index

CROSS+MORSE

Power Transmission Solutions

2weivrevO sevirD tleBBelt Drive Selection:

- Metric & Classical Belts 3-972-62stleB raeniL neerG -83stleB enahteruyloP -01noitallatsnI tleB54setalP gnipmalC

Classical Timing Belts and Pulleys 28-36Classic Belts:

30-92eg (XL, L, H)naR dradnatS -31Double Sided (XL, L, H) -

Classical Timing Belt Pulleys:32-34)H,LL,X( eroB toliP -35-36)H,L( eroB repaT -

Metric Timing Belts and Pulley 11-23Metric Belts:

- 11-14e (3M, 5M, 8M)gnaR dradnatS- 15-16Double Sided (5M, 8M, 14M)- Green Power Open Ended Belts 26-29

Metric Timing Belt Pulleys:- Pilot Bore (3M, 5M, 8M, 14M) 17-20 - Taper Bore (5M, 8M, 14M) 21-22

Polyurethane Timing Belts and Pulleys 37-44Platinum Timing Belts 46

Polyurethane Belts:39e (T2.5, T5, T10, AT5, AT10)gnaR dradnatS -44 stleB dednE nepO -

Polyurethane Timing Belt Pulleys:- Pilot Bore (T2.5, T5, T10, AT5, AT10) 40-43

T 24-25sehsuB eroB repaSpecial Belts 32

T 54sraB gnimiT 74gnitoohS elbuor

Timing Belt Catalogue_Cross + Morse 14/12/2010 12:17 Page 1

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Timing Belt Drives

2

Cross & Morse Timing Belt Drives take their place in industry as ahighly efficient, job proven medium for mechanical powertransmission. Because these drives combine many importantexclusive characteristics, they present an entirely different conceptin the transmission of power. They are highly versatile in application and speed range.Timing belt drives are positive and offer accurate synchronisationof speed, and often make possible worthwhile economies in thedesign of a machine, because they require less space, reducebearing specification, eliminate tension devices, yet assure anunusually high degree of efficiency.Virtually every industry has tested and approved timing beltdrives. They have been adopted as standard equipment by a widevariety of machine builders and equipment manufacturers.Millions of successful drives in operation without belt replacementfor more than five years bear testimony to these drives. Cross &Morse offer three types of timing belt drive to cover the fullspectrum of industrial requirements.

These are the original tooth belt drives, introduced for thetransmission of low torque instrumentation drives more than fortyyears ago, and since developed and adopted for millions of driveapplications. Eight different pitch configurations were produced,but later belt designs have eliminated the demand for all but threesizes. Cross & Morse offer complete drives to 1/5” (XL), 3/8” (L),and 1/2” (H) pitch sizes with both pilot bored and taper boredpulleys. Drives to other configurations can be supplied to order.The Classical Timing Belt is the ideal low cost drive for powers upto 25 KW with a wide range of both belts and pulleys availablefrom stock. Double sided belts and open ended belts can also besupplied.

The Classical Timing Belt Drives pages 29-36

Demands for ever increasing powers and speeds led to theintroduction of a Metric Series of High Torque Drive Belts, using aparabolic tooth profile to enable increased tooth contact betweenbelt and pulley. The new tooth profile has improved shear stressresistance, increased power capacity, and reduced noise levels.Pirelli introduced the RPP belt with an indentation at the top ofthe teeth, to allow local elastic deformation during meshing withpulley, and easier air discharge to further reduce noise levels.Cross and Morse combine RPP belts with std. Metric pulleys toprovide off-shelf drives in 4 pitches; 3mm (3M), 5mm (5M), 8mm(8M), and 14mm (14S).Further development created RPP Silver Belts in 8mm (8S) and14mm (14S) pitch with double power capacity; and Panther Beltsin 8mm (8G) and 14mm (14G) pitch with treble capacity; both stilloperating on standard metric pulleys allowing fullinterchangeability with existing drives. Drives up to 600 KW cannow be transmitted.

The Metric Series Belt Drives pages 11-22

These belts use steel tension cord encased in a polyurethane jacketwith integral teeth. The method of manufacture ensures tightcontrol of pitch length for applications where accurate positioningis required. Polyurethane is a non-crumbling, non-markingmaterial with excellent resistance to mineral oils, greases and lightacidic solutions making it an ideal material for food applications,on cigarette manufacturing machines and paper transportingsystems. Polyurethane belt drives are available in 3 pitch sizes,2.5mm (T2.5), 5mm (T5) and 10mm (T10), with a selection of pilotbore pulleys.Double sided belts and long open end belt lengths are alsoavailable. For reciprocating drives clamping plates are available toretain the belts.

Polyurethane Timing Belt Drives pages 37-44

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a. Determine Belt LengthFor drives with pulleys of equal numbers of teeth.Calculate Number Teeth in Belt Nc = 2. Ao + Z1

pFor drives with pulleys of dissimilar numbers of teeth.Calulate Number Teeth in BeltNc = 2.Ao + (Z1+ Z2) + 2.533p (Z2 - Z1)

Where Ao = Approximimate Centre Distance mmp = Belt Pitch mmZ1 = Number Teeth Small PulleyZ2 = Number Teeth Large Pulley

Note: Nc must always be greater than 0.9 (Z1 + Z2)Refer to standard Belt Tables (pages 12-13 Metric Drives,page 30-31 Classical) and select nearest belt length to numbers ofteeth calculated.

b. Determine Actual Shaft CentresThe actual centre distance A can then be determined from thefollowing formula where NA is number of teeth in beltselected.

A =p/4 (NA - Z1 + Z2 + (NA - Z1 + Z2) -2.027 (Z2-Z1) )

This will provide a reasonably accurate result but for fixed centredrives please contact Cross & Morse Engineering.

6. Factors to correct for Teeth in Mesh andBelt Length

a. Teeth in mesh factor f5

Applicable only on drives with pulleys less than 18 teeth ordrive ratio greater than 3: 1. For a belt to transmit full powera minimum of 6 teeth must be in mesh on each pulley. Thenumber of teeth in mesh can determined from thefollowing formula:

Number Teeth in Mesh (TIM)= Z1 [0.5 - (Z2 - Z1)p]18.85A

The Design Power Pd must be multiplied by factor f5 taken from table 2a.

b. Belt Length Correction factor - f6To allow for variation in rates of loading a belt length factor f6 isapplied to the Design Power Pd for final selection power Ps. Thefactors, provided in table 4, only apply to HTD drives, for Classical timing belt drives f6 = 1. Thus:-Selection Power Ps = Pd . f5 . f6

7. Belt Width SelectionHaving determined Selection Power Ps, and knowing the size ofsmall pulley and relative shaft speed use the Rating Tables onpages 7-9 to determine Rated Power Pr. which is where appropriate columns for pulley size and shaft speed intersect intable for selected belt size. If a column for the actual shaft speed isnot available use the next lower speed available, and if shaft speedis below 100r.p.m. use column for 100 r.p.m., but multiply powerread off by actual shaft speed divided by 100. A belt width factorWf can then be determined by dividing the Selection Power Ps bythe Rated Power Pr.

Wf = PsPr

From the table immediately above the relevant Power Rating Table select the belt width which has a width factor equalor greater thanthe value calculated for Wf.

8. Confirmation of DriveRefer to pulley tables 14-21 (HTD Drives) or 29-33(Classical Belts) to confirm that pulley sizes (numbers of teeth andwidth) are available, and capable of accommodating shaft sizes,and that at least one pulley is of flanged construction. If belt speedexceeds 30M/S ensure no cast iron pulleys used; also pulleysshould be balanced.Ensure that calculated centre A can be accomodatedwith adjustment to correctly tension belt on assembly, and toenable belt to be fitted over pulley flanges if applicable, referto page 10.

Timing Belt Drive Selection

In order to select a Timing Belt Drive it is first necessary tocompile together all the relevant design parameters, to include:-

a. Type of driver, shaft speed, and power to be transmitted.b. Type of driven machinery, shaft speed or drive ratio.c. Approximate shaft centre distance required.d. Number of hours daily, drive will be used, and any special

operating conditions (temperature, abrasive dust, etc.).e. Shaft diameters and any space restrictions affecting pulley

diameters or widths.

With this information a suitable drive can be selected by theselection procedure in conjuction with the following guidelines:

a. Power transmission capabilities are always related to thesmallest pulley in the system, regardless of whether it is thedriving or driven pulley.

b. Where there is a choice of pulley combination for a givendrive consideration should be given to the following:-1. Larger pulleys reduce amount of belt flexing and therefore

improve belt life.2. Larger pulleys often enable use of narrower belts.3. Large pulleys can be more expensive.

c. There must be at least one flanged pulley in the drive, andwhere centre distance is more than 8 times the diameter ofthe smaller pulley, both pulleys should be flanged.

d. If shaft centre adjustment is inadequate to correctly tensionthe belt, an idler pulley will be required. It is preffered to runidlers on the back of the belt, when a ground back belt shouldbe used.

e. Cast Iron pulleys must not be used on drives where beltspeeds exceed 30 metres per second.

Selection Procedure1. Drive RatioWhere not known this can be obtained by dividing the speed of the faster shaft by the speed of the slower shaft. Note if the driven shaft is faster this is a Speed Increasing Drive.

2. Calculate the Design PowerThe design Power Pd is determined by multiplying thetransmitted motor power P by the application factors f1, f2, f3 and f4 as applicable.

Pd = P(f1 + f3 - f4) f2

Application Factor f1 - Service Factor- relates the type of driver anddriven equipment to the daily useage, refer Table 1.

Application Factor f2 - Speed Increasing Drives - refer Table 2 for factorrelevent to respective speed increase ratio.

Application Factor f3 - If an idler is used add 0.2.

Application Factor f4 - If machinery only used intermittently orseasonally deduct 0.2 from service factor.

3. Select Belt PitchApplying the calculated Design Power and the speed of the smallestpulley to the graphs on pages 5-6 to select suitable belt pitch for theapplication. Using this pitch of belt should provide a wellproportioned drive, but where space limitations apply, another pitchof belt may be required. Both Metric (HTD) and Classical Belt Drivesare available for selection. Generally HTD Belts provide a morecompact, quieter drive, and are preffered for new applications,however classical belts offer a wider selection of drive ratios with std.pulleys, and for one-off drives often a lower cost.

4. Pulley SelectionRefer to Standard Drive Ratios - Table 3 and select a suitablecombination of pulleys to provide the correct drive ratio. Foreconomic and availability reasons it is preferable to use pulleys ofmaximum 80 teeth, and to minimise belt fatigue a minimum of 20Teeth (28 Teeth 14M drives).From the appropiate pulley dimension tables confirm that pulleysizes selected are available and will accommodate shaft diametersand not exceed space limitations.

5. Determine Belt Length and Center DistanceHaving selected belt size (pitch), numbers of teeth in pulleys, andknowing approximate shaft centres one can select belt length andcalculate actual centre distance.

p 2 100Ao

2 2

101022

2

3

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:48 Page 3

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0.90

261- 400551- 800

901- 12702051- 2500

_

_

_

____

_

_

_

The machines listed below are representative examples only. Select the classwhose load characteristics most closely approximate those of the machine being used. For drives with heavy pulsating or high shock loads, consultCross & Morse.

Timing Belt Drives Selection

Table 1 - Service Factors - f1

4

DRIVEN MACHINE (LOAD)

Table 2 - Speed Increase Factor - f2 Table 2a - Teeth in mesh Factor - f5

Table 4 - Belt Length Factor - f6 - HTD Drives

DRIVEN MACHINE (LOAD) TYPES OF DRIVER

Electric Motor AC - Star Delta startDC - Shunt Wound

Internal Combustion Engines and other prime moves fitted with Centrifugal Clutches. Dry or Fluid Couplings orElecronic Soft Start Start Devices.

Smooth

MediumShock

HighShock

HeavyShock

LightShock

LoadType Typical Machinery

‘SOFT STARTS’ ‘HEAVY STARTS’

Electric Motor AC - Direct-on-Line startDC - Series and Compound Wound

Hydraulic MotorsInternal Combustion Engines with Mechanicl DrivePrime movers not fitted with soft start devices

Operating Hours per DayOperating Hours per Day

under 10 10-16 Over 16 under 10 10-16 Over 16

Business Equipment. Light Domestic Machinery,Tachometers, Camera and Radar Equipment

Liquid Agitators, Centrifugal Pumps andCompressors, Uniformly Loaded Belt Conveyors,Fans up to 71/2 kW, Calenders. Rotary Screens,Dryers, Exhausters, Woodworking Machinery.

Mixers, Belt Conveyors. Fans over 71/2 kW,Generators, Vibrating Screens, Augers,Granulators, Laundry and Printing Machinery,Machine Tools.

Bucket, Pan and Screw Conveyors,Reciprocating Pumps and Compressors,Exciters, Paper and Textile Machinery.

Mills, Crushers, Hoists, Dredge Pumps,Brickwork and Rubber Machinery, Oil FieldEquipment.

1.0

1.3

1.5

1.7

1.9

1.2

1.4

1.7

1.9

2.0

1.4

1.6

1.9

2.0

2.1

1.2

1.6

1.9

2.0

2.2

1.6

1.8

2.0

2.2

2.3

1.8

2.0

2.2

2.3

2.4

Speed IncreaseDrive Ratio

Factor f2

1.00to

1.24

1.00

1.25to

1.74

1.06

1.25to

1.74

1.06

1.75to

2.49

1.12

2.50to

3.49

1.18

3.50and

above

1.25

TIM 6+ 5 - 6 4 - 5 3 - 4 below 3

f5 1.00 1.25 1.65 2.5 5.0

Table 3 - Drive Ratios with Standard Pulleys

10 12 13* 14 15 16 17* 18 19 20 21 22 24 26 28 30 32 34 36 38

Number Teeth on Small Driver Pulley

1213*1415

1617*181920

2122242628

3032343638

4044485660

6472808490

96112 144168192

N0. T

eeth

on

Larg

e -

Driv

en P

ulle

y

1.201.301.401.50

1.601.701.801.902.00

2.102.202.402.602.80

3.003.20

3.60

4.004.404.80

6.00

7.20

8.40

9.60____

_

_

_

_

_

_ _

_

1.001.081.171.25

1.331.421.501.581.67

1.751.832.002.172.33

2.502.67

3.00

3.333.674.00

5.00

6.00

7.00

8.00

_

____

_

_

_

_

_

1.001.081.15

1.231.311.381.461.54

1.611.691.852.002.15

2.312.46

2.77

3.083.383.69

4.61

5.54

6.46_

____

_

_

_

_

_

_

1.001.07

1.141.211.291.361.43

1.501.571.712.862.00

2.142.29

2.57

2.863.143.43

4.29

5.14

6.00

6.86

_

____

_

_

_

_

_

1.001.061.131.191.25

1.311.381.501.631.75

1.882.00

2.25

2.502.753.00

3.75

4.50

5.25

6.00

_

____

_

_

_

_

_

1.00

1.071.131.201.271.33

1.401.471.601.731.87

2.002.13

2.40

2.672.933.20

4.00

4.80

5.60

6.40

_

____

_

_

_

_

_

1.001.061.121.18

1.231.291.411.531.65

1.761.88

2.12

2.352.592.82

3.53

4.24

4.94_

____

_

_

_

_

_

_

1.001.061.11

1.171.221.331.441.56

1.671.77

2.00

2.222.442.67

3.33

4.00

4.67

5.33

_

____

_

_

_

*13 & 17 Tooth Pulleys available‘L’ Series Pulleys only

40

1.00

1.051.101.201.301.40

1.501.60

1.80

2.002.202.40

3.00

3.60

4.20

4.80

1.001.051.141.241.33

1.431.52

1.71

1.902.102.29

2.86

3.43

4.00

4.57

_

_

_

____

_

_

_

_

_

_

____

_

_

_

1.001.05

1.101.161.261.371.48

1.581.68

1.89

2.112.322.53

3.16

3.79

4.42

5.05

1.001.091.181.27

1.361.451.551.641.73

1.822.002.182.552.73

2.913.273.643.824.09

4.365.096.557.648.73

1.001.081.16

1.251.331.421.501.58

1.671.832.002.332.50

2.673.003.333.503.75

4.004.676.007.008.00

1.001.08

1.151.231.311.381.46

1.541.691.852.152.31

2.462.773.083.233.46

3.694.315.546.467.38

1.00

1.071.141.211.291.36

1.431.571.712.002.14

2.292.572.863.003.21

3.434.005.146.006.86

1.001.071.131.201.27

1.331.471.601.872.00

2.132.402.672.803.00

3.203.734.805.606.40

1.001.061.121.19

1.251.371.501.751.87

2.002.252.502.622.81

3.003.504.505.256.00

1.001.061.12

1.181.291.411.65

1.882.122.35

2.65

3.294.234.945.65

1.001.06

1.111.221.331.561.67

1.782.002.222.332.50

2.673.114.004.675.33

_

_

_

1.00

1.051.161.261.471.58

1.681.892.11

2.37

2.953.794.425.05

_

_

1.001.101.201.401.50

1.601.802.002.102.25

2.402.803.604.204.80

3M5M8M

14M

Factor f6 1.25

up to 190up to 440up to 630up to 1350

191- 260441- 550631- 900

1351- 1770

1.11 1.0 0.95

2501-3400

401- 600801- 1100

1271- 17903401+

0.85

601+1101+1791+

1.05

1771-2050

Belt Length mmBelt Size Pitch

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:48 Page 4

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5

Shaft Speed Smaller Pulley - R.P.M.

0.1

30

40

50

70

7,00

0

Des

ign

Pow

er k

WBelt Selection Graph forClassical Series Belts

10 20 30 40 50 100

200

400

500

700

1,00

0

2,00

0

3,00

0

4,00

0

10,0

0070

12,0

00

5,00

0

300

XL

L

H

0.3

0.4

0.5

0.7

1.0

2

3

4

5

0.2

7

20

10

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Shaft Speed Smaller Pulley - R.P.M.6

10,0

0010 20

700

500

400

300

200

100

70

50

40

30

20

10

7

5

4

3

2

1.0

0.7

0.5

0.4

0.3

0.2

0.1

30 40 50 70 100

200

300

400

500

700

1,00

0

2,00

0

3,00

0

4,00

0

5,00

0

7,00

0

Des

ign

Pow

er k

W

3M

14G

14S

14M

8G

8S

8M

5M

Belt Selection Graph forMetric Series Belts

15,0

00

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100200300400500600800

10001200150018002000240028003000350040004500

20Belt Width mm 8M Belt

1.00

30

1.58

50

2.74

RPM

of S

mal

l Pul

ley

100200300500600800

100012001500180020002400280032004000500060008000

100001200014000

Number of Teeth on Small Pulley

12 14 15 16 18 20 21 22 24 26 28 30 32 36 40 44 48 60

.023

.039

.053

.078

.090

.111

.132

.151

.178

.204

.221

.253

.285

.314

.370

.435

.495

.603

.695

.027

.046

.062

.091

.105

.130

.154

.176

.208

.239

.258

.296

.332

.366

.432

.508

.578

.704

.811

.899

.966

.029

.049

.066

.098

.113

.141

.167

.192

.226

.260

.280

.321

.360

.398

.470

.555

.627

.762

.873

.9651.026

.032

.054

.073

.107

.123

.153

.180

.207

.244

.280

.303

.347

.389

.429

.505

.594

.675

.818

.9351.0261.087

.037

.062

.084

.124

.142

.176

.208

.238

.281

.322

.349

.399

.448

.494

.581

.681

.773

.9311.0561.1441.193

.042

.071

.096

.140

.161

.200

.236

.270

.319

.366

.396

.453

.507

.559

.657

.769

.8711.0431.1711.2521.280

.045

.075

.100

.148

.170

.212

.250

.286

.338

.383

.419

.480

.538

.592

.696

.813

.9201.0961.2231.2951.306

.047

.079

.107

.157

.180

.224

.264

.302

.358

.410

.443

.508

.568

.626

.735

.858

.9691.1501.2761.3391.333

.052

.088

.119

.175

.200

.248

.293

.336

.397

.455

.492

.563

.630

.694

.813

.9481.0681.2591.3821.4271.386

.057

.097

.131

.192

.220

.273

.323

.370

.437

.501

.541

.619

.692

.762

.8921.0381.1651.3601.4701.4821.390

.063

.106

.143

.210

.241

.299

.353

.404

.477

.547

.591

.675

.755

.831

.9721.1281.2621.4621.5591.5381.382

.068

.115

.155

.228

.262

.325

.383

.439

.518

.594

.641

.733

.819

.9011.0521.2161.3551.5521.6201.5541.330

.074

.124

.168

.247

.283

.351

.414

.474

.560

.641

.692

.791

.884

.9711.1321.3071.4521.6461.6931.5701.248

.085

.143

.194

.284

.325

.404

.477

.546

.644

.737

.796

.9091.0141.1131.2931.4841.6351.8061.7761.507

.096

.162

.220

.322

.369

.458

.541

.619

.713

.835

.9021.0281.1461.2561.4531.6571.8091.9391.800

.108

.182

.246

.361

.414

.513

.606

.694

.818

.9351.0091.1491.2791.4001.6131.8251.9712.0401.756

.120

.202

.273

.401

.459

.570

.673

.770

.9071.0361.1171.2711.4131.5431.7701.8862.1202.1051.637

.156

.264

.357

.524

.599

.742

.8771.0031.1801.3441.4471.6401.8141.9702.2222.4162.4602.040

.195

.328

.445

.652

.747

.9251.0901.2461.4631.6631.7872.0162.2162.3872.6382.7602.635

7

Power Rating Tables - Standard Metric Timing Belts

Belt Width mm 3M Belt 6 9 15

0.60 1.00 1.89Power Ratings (kW) for 9mm wide 3M Belt

Power Ratings (kW) for 9mm wide 5M Belt

Power Ratings (kW) for 20mm wide 8M Belt

Belt Width mm 14M Belt

Width Factor

55 8540 115 170

1.44 2.32 3.21 4.821.00Power Ratings (kW) for 40mm wide 14M Belt

Width Factor

Belt Width mm 5M Belt 9 15 25

1.00 1.93 3.48Width Factor

72

Number of Teeth on Small Pulley

22

RPM

of S

mal

l Pul

ley

24 26 28 30 32 34 36 38 40 44 48 56 64 72 80

.35

.59

.80

.991.171.351.671.972.262.673.053.303.774.214.424.93

.39

.66

.891.101.301.491.852.192.512.963.393.664.184.664.905.45

.47

.791.071.331.571.802.232.633.013.564.074.395.005.585.856.49

.51

.861.161.441.701.952.422.863.273.864.414.765.426.046.337.027.64

.55

.931.261.561.842.112.623.093.544.174.765.145.856.516.827.548.198.75

Width Factor

85

4.77

.43

.72

.981.211.431.642.042.412.763.263.724.024.595.125.375.97

.591.001.351.671.982.272.813.323.804.485.115.526.276.977.308.068.739.31

.631.071.451.792.122.433.013.554.074.795.475.906.707.447.798.589.289.86

.681.141.541.912.262.593.213.794.345.115.836.287.137.918.279.109.81

10.40

.721.211.642.032.402.763.424.034.615.436.196.677.568.388.769.61

10.3310.92

.811.361.842.282.703.093.834.525.166.076.927.458.439.319.72

1.06211.3511.91

.901.512.042.532.993.434.255.015.726.737.658.239.30

10.2410.6711.6012.3212.82

1.081.812.463.053.604.125.106.016.878.059.149.81

11.0312.0712.5213.4614.08

1.272.132.883.574.224.835.987.048.039.40

10.6411.3912.7313.8314.2915.14

1.462.453.324.124.865.566.888.099.22

10.7612.1412.9714.3915.5015.93

1.652.783.774.675.516.317.799.16

10.4212.1313.6414.5216.0017.06

Number of Teeth on Small Pulley

28

RPM

of S

mal

l Pul

ley

29 30 32 34 36 38 40 44 48 52 56 60 64 68 72 80

2.424.085.526.858.099.27

10.3911.4713.5115.4218.0720.4821.9525.19

2.424.085.526.858.099.27

10.3911.4713.5115.4218.0720.4821.9525.19

2.534.255.767.148.449.67

10.8411.9614.0616.0718.8221.3122.8326.15

2.634.436.007.448.79

10.0711.2812.4514.6616.7219.5722.1423.7127.0929.6931.43

2.854.796.488.049.49

10.8712.1913.4515.8218.0321.0823.8125.4528.9631.5433.10

3.065.156.978.64

10.2111.6913.1014.4516.9919.3622.5925.4727.1930.7933.3134.63

3.285.517.479.26

10.9312.5114.0215.4618.1820.6924.1127.1328.9232.5834.9835.99

3.505.887.979.87

11.6613.3414.9516.4819.3722.0225.6328.7830.6334.3236.5637.19

3.726.258.47

10.5012.3914.1915.8917.5120.5623.3727.1630.4232.3236.0038.0338.19

4.177.019.50

11.7713.8915.8917.7919.6022.9826.0730.1833.6735.6439.19

4.637.78

10.5413.0615.4017.6219.7121.7125.4228.7833.2036.8638.8442.11

5.108.57

11.6014.3716.9419.3721.6723.8427.8831.5036.2039.9641.9244.70

5.579.36

12.6715.6918.5021.1523.6426.0030.3534.2239.1542.9644.8346.94

6.0510.1713.7617.0420.0822.9425.6328.1732.8236.9342.0545.8447.57

6.5410.9914.8718.4021.6824.7527.6430.3635.3139.6344.9048.6050.12

7.0311.8115.9819.7823.3026.5829.6632.5537.7942.3047.6751.2152.45

7.5312.6517.1121.1724.9228.4231.7034.7640.2744.9650.37

8.5414.3519.4123.9928.2232.1535.8039.1945.2050.1655.48

RPM

of S

mal

l Pul

ley

10

100200300500600800

100012001450175020002400280032004000500060008000

100001200014000

Number of Teeth on Small Pulley

12 14 15 16 18 20 21 22 24 26 28 30 32 36 40 44 48 60

.007

.013

.018

.026

.029

.038

.044

.051

.059

.069

.076

.087

.099

.109

.131

.156

.179

.222

.263

.302

.338

.008

.016

.021

.031

.036

.046

.054

.063

.073

.084

.092

.107

.121

.134

.159

.189

.217

.270

.318

.365

.406

.009

.018

.026

.038

.044

.054

.064

.074

.086

.099

.111

.127

.142

.159

.187

.222

.255

.317

.375

.426

.474

.009

.019

.028

.041

.048

.059

.068

.079

.092

.107

.119

.136

.154

.170

.202

.239

.275

.341

.401

.458

.507

.011

.021

.029

.044

.051

.064

.076

.086

.101

.116

.127

.147

.166

.184

.217

.257

.295

.366

.429

.489

.542

.013

.024

.034

.051

.058

.073

.086

.099

.114

.132

.147

.169

.189

.209

.249

.293

.335

.415

.486

.551

.607

.014

.028

.039

.058

.066

.083

.097

.112

.129

.149

.166

.190

.214

.235

.278

.328

.376

.463

.541

.610

.670

.014

.029

.041

.061

.069

.087

.102

.119

.136

.157

.174

.200

.225

.249

.293

.346

.396

.488

.567

.639

.700

.016

.031

.044

.064

.074

.092

.109

.126

.144

.167

.184

.212

.237

.262

.310

.365

.418

.512

.595

.668

.730

.018

.036

.049

.073

.083

.102

.121

.139

.161

.185

.204

.234

.262

.290

.341

.403

.459

.562

.652

.727

.790

.019

.039

.054

.079

.091

.109

.132

.152

.175

.204

.224

.257

.287

.318

.373

.439

.501

.610

.705

.781

.843

.021

.044

.059

.087

.099

.124

.146

.167

.192

.222

.245

.280

.313

.346

.406

.478

.542

.660

.758

.838

.898

.023

.048

.064

.094

.107

.134

.159

.182

.209

.240

.265

.303

.340

.375

.439

.516

.584

.708

.810

.888

.942

.026

.053

.071

.109

.117

.146

.172

.197

.227

.260

.287

.327

.366

.403

.473

.554

.627

.756

.861

.939

.989

.029

.061

.083

.119

.137

.169

.199

.227

.262

.300

.330

.376

.421

.463

.541

.630

.712

.849

.9541.0221.050

.034

.071

.096

.137

.157

.194

.227

.258

.297

.340

.375

.426

.476

.522

.610

.708

.798

.9441.0471.1051.112

.039

.081

.109

.156

.177

.219

.257

.292

.335

.381

.419

.478

.532

.584

.678

.786

.8811.0301.1231.1571.122

.046

.091

.122

.175

.199

.245

.287

.327

.373

.424

.466

.529

.589

.645

.748

.864

.9641.1171.2011.2101.133

.058

.116

.154

.222

.252

.308

.361

.411

.469

.534

.587

.665

.738

.806

.9311.0621.1701.3031.3141.186

100200300400500600700800

10001200150018002000250030003500

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:49 Page 7

Page 10: Timing Belt Catalogue - opis.czopis.cz/cross-morse/pdf/Timing Belt Online Catalogue-2010.pdf · INDEX BACK NEXT Timing Belt Drives 2 Cross & Morse Timing Belt Drives take their place

INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

8

Power Rating Tables - Silver &Gold Timing Belts

Belt Width mm 8S Belt

Number of Teeth on Small Pulley

22

RPM

of S

mal

l Pul

ley

24 26 28 30 32 34 36 38 40 44 48 56 64 72 80

Width Factor

20 30 50 85

1.00 1.58 2.74 4.77Power Ratings (kW) for 20mm wide Silver 8S Belt

2050

100200300500700

10001200150018002000250030003500400045005000

0.140.350.681.141.552.272.923.824.385.175.936.417.568.659.67

10.6511.5812.47

0.150.380.751.261.712.513.224.214.835.706.537.068.339.52

10.6411.7112.7213.68

0.160.410.821.381.872.743.534.615.286.237.147.729.10

10.4011.6212.7713.8614.89

0.180.440.881.502.032.983.835.005.736.777.758.389.88

11.2812.5913.8315.0016.10

0.190.470.941.622.193.224.145.406.197.318.379.05

10.6612.1613.5714.9016.1417.29

0.200.501.011.742.363.464.455.816.667.868.999.72

11.4413.0514.5515.9517.2618.48

0.210.531.071.862.523.704.766.227.128.419.62

10.4012.2313.9415.5317.0118.3919.65

0.230.571.131.982.693.945.086.637.598.96

10.2511.0713.0214.8316.5118.0619.5020.81

0.240.601.202.112.864.195.397.048.069.51

10.8811.7513.8215.7217.4919.1120.6021.95

0.250.631.262.233.034.445.717.458.54

10.0711.5212.4414.6116.6118.4620.1521.6923.07

0.280.691.382.483.374.946.358.299.49

11.1912.8013.8116.2118.4020.4022.2123.8325.28

0.300.761.512.743.715.447.009.13

10.4612.3314.0815.2017.8020.1722.3224.2325.91

0.350.881.763.264.416.478.32

10.8412.4114.6116.6717.9820.9923.6926.0728.13

0.401.012.013.785.127.519.65

12.5814.3916.9319.2820.7624.1627.1429.69

0.451.132.274.315.848.57

11.0114.3416.3919.2521.9023.5527.3030.49

0.501.262.524.856.589.64

12.3816.1118.4021.5924.5226.3330.38

Belt Width mm 14S Belt

Number of Teeth on Small Pulley

28

RPM

of S

mal

l Pul

ley

29 30 32 34 36 38 40 44 48 52 56 60 64 68 72 80

Width Factor

55 8540 115 170

1.44 2.32 3.21 4.821.00Power Ratings (kW) for 40mm wide Silver 14S Belt

10205070

100200300500700

100012001500180020002500300035004000

0.400.812.022.824.037.50

10.1614.9019.1524.9628.5633.6138.3241.2848.1154.1559.3863.79

0.420.842.092.924.187.82

10.5915.5319.9626.0129.7535.0139.8942.9650.0356.2361.5765.99

0.430.862.163.034.328.13

11.0216.1620.7727.0730.9536.4141.4744.6551.9458.3163.7368.16

0.460.922.313.234.618.78

11.9017.4322.4129.1933.3739.2344.6548.0455.7662.4267.9872.37

0.490.982.453.434.909.43

12.7818.7224.0631.3335.8142.0747.8451.4359.5766.4972.12

0.521.042.593.635.19

10.0913.6720.0325.7333.5038.2744.9251.0454.8463.3670.4976.15

0.551.102.743.835.47

10.7514.5721.3427.4235.6840.7447.7954.2558.2467.1374.43

0.581.152.884.035.76

11.4215.4822.6729.1237.8743.2350.6857.4661.6470.8678.29

0.631.273.174.446.34

12.6817.3225.3632.5642.3148.2656.4863.9068.4378.22

0.691.383.464.846.92

13.8319.1928.0936.0646.8153.3462.3170.3375.1785.39

0.751.503.755.247.49

14.9821.0830.8739.6051.3558.4568.1576.7381.84

0.811.614.035.658.07

16.1323.0133.6743.1855.9263.6074.0083.0988.41

0.861.734.326.058.64

17.2824.9636.5146.7960.5468.7779.8489.3894.88

0.921.844.616.459.22

18.4326.9339.3850.4565.1873.9685.6695.59

101.20

0.981.964.906.869.80

19.5828.9242.2854.1369.8579.1591.45

101.71

1.042.075.197.26

10.3720.7330.9345.2157.8474.5384.3597.19

1.152.315.768.07

11.5223.0334.5151.1465.3483.9594.74

108.53

Belt Width mm 8G Belt

Number of Teeth on Small Pulley

22

RPM

of S

mal

l Pul

ley

24 26 28 30 32 34 36 38 40 44 48 56 64 72 80

Width Factor

20 30 50 85

1.00 1.50 2.50 4.25Power Ratings (kW) for 20mm wide Gold 8G Belt

2050

100200300500700

10001200150018002000250030003500400045005000

0.180.400.751.381.973.104.175.726.728.199.62

10.5512.8415.0617.2319.3521.4223.44

0.200.450.821.522.183.424.606.317.419.03

10.6011.6314.1516.6018.9821.3023.5725.78

0.220.490.901.662.383.745.046.908.119.88

11.6012.7215.4718.1420.7423.2725.7328.13

0.240.530.981.812.594.075.477.508.81

10.7312.6013.8216.8119.7022.5125.2527.9030.49

0.250.571.061.952.804.395.928.119.52

11.6013.6114.9318.1521.7724.2927.2330.0832.84

0.270.621.142.103.014.726.368.72

10.2412.4714.6316.0519.5022.8426.0829.2232.2535.19

0.290.661.222.253.225.066.819.33

10.9613.3415.6617.1720.8624.4327.8731.2134.4337.54

0.310.701.302.403.435.397.269.95

11.6914.2216.6918.3022.2326.0129.6733.2036.6039.88

0.330.751.382.553.655.737.72

10.5712.4215.1117.7319.4423.6027.6131.4735.2038.7742.21

0.350.791.462.703.866.078.18

11.2013.1516.0018.7720.5824.9829.2133.2837.1940.9444.52

0.390.881.633.004.306.769.10

12.4614.6317.8020.8822.8827.7532.4136.8941.1645.2449.11

0.430.971.793.314.747.45

10.0313.7416.1319.6223.0025.2030.5335.6340.4945.1249.50

0.511.162.133.945.648.86

11.9316.3319.1723.2927.2929.8836.1442.0747.6752.83

0.601.342.484.586.56

10.3013.8618.9722.2527.0231.6234.6041.7648.4854.75

0.671.532.835.237.48

11.7515.8121.6325.3730.7835.9939.3547.3754.83

0.371.733.195.898.43

13.2317.8024.3328.5234.5740.3844.1152.96

Belt Width mm 14G Belt

Number of Teeth on Small Pulley

28

RPM

of S

mal

l Pul

ley

29 30 32 34 36 38 40 44 48 52 56 60 64 68 72 80

Width Factor

55 8540 115 170

1.37 2.12 2.87 4.251.00Power Ratings (kW) for 40mm wide Gold 14G Belt

10205070

100200300500700

100012001500180020002500300035004000

0.751.443.284.446.13

11.4316.4726.0735.2748.5657.1669.7381.9589.92

109.27127.78145.46162.27

0.781.503.424.626.37

11.8917.1327.1236.6950.5159.4472.5185.2093.48

113.54132.71150.98168.30

0.811.563.554.806.62

12.3617.8028.1738.1152.4661.7475.3088.4797.05

117.82137.64156.48174.30

0.861.673.825.177.12

13.2919.1330.2940.9756.3966.3680.9095.02

104.20126.39147.49167.44186.19

0.911.794.095.537.62

14.2220.4832.4243.8660.3571.0086.54

101.60111.38134.98157.31178.33

0.971.914.365.908.13

15.1721.8434.5846.7664.3475.6892.21

108.20118.59143.56167.10189.13

1.022.034.636.278.64

16.1223.2136.7449.6968.3480.3897.90

114.83125.81152.14176.85

1.072.154.906.649.15

17.0824.5938.9252.6372.3785.10

103.61121.48133.04160.71186.54

1.182.365.467.39

10.1919.0127.3743.3158.5680.4994.61

115.10134.81147.52177.78

1.292.586.028.15

11.2420.9630.1947.7664.5588.69

104.19126.64148.17162.01194.73

1.402.796.598.92

12.2922.9433.0352.2570.6096.94

113.83138.24161.55176.47

1.503.017.169.69

13.3624.9335.9056.7776.70

105.25123.53149.86174.91190.88

1.613.227.74

10.4814.4426.9438.7961.3482.84

113.61133.26161.50188.25205.21

1.723.438.32

11.2715.5328.9741.7165.9489.03

122.02143.03173.15201.53219.44

1.823.658.91

12.0616.6231.0144.6570.5795.25

130.45152.83184.78214.74

1.933.869.50

12.8617.7333.0747.6175.23

101.51138.92162.64196.40

2.154.29

10.7014.4819.9637.2353.5884.64

114.12155.94182.30219.52

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:49 Page 8

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Te

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44

1

21

3

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0

15

5 F

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+

44

1

21

3

25

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RPM

of S

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9

Belt Width Reference

Belt Width Factor

050 075 100

0.42 0.71 1.00

Power Rating Tables -Classical Timing BeltsPower Ratings (kW) for 3/8” wide XL Series Belts (Size XL037)

Number of Teeth Small Pulley

10 11 12 14 15 16 18 20 21 22 24 26 28 30 32 36 40100200300400500600800

1000120014001500160017502000240028003000320035004000450050006000700080009000

10000

.004

.008

.012

.016

.020

.025

.034

.042

.050

.059

.062

.070

.076

.087

.004

.009

.014

.018

.023

.027

.036

.046

.055

.064

.070

.076

.081

.095

.112

.132

.140

.151

.165

.005

.010

.015

.020

.025

.030

.040

.050

.060

.071

.075

.084

.090

.102

.123

.144

.155

.165

.180

.205

.231

.257

.006

.011

.017

.023

.029

.035

.048

.060

.071

.084

.090

.096

.104

.119

.142

.167

.180

.190

.210

.240

.269

.297

.006

.012

.019

.025

.031

.037

.050

.065

.077

.090

.096

.102

.112

.130

.155

.180

.192

.200

.225

.288

.310

.380

.441

.007

.013

.020

.027

.033

.040

.054

.069

.081

.096

.102

.111

.120

.136

.165

.192

.205

.220

.239

.272

.306

.340

.405

.468

.007

.015

.022

.029

.037

.046

.063

.077

.091

.109

.115

.123

.134

.155

.184

.215

.230

.247

.268

.305

.343

.380

.451

.522

.589

.654

.713

.008

.016

.025

.033

.042

.050

.069

.086

.102

.119

.127

.136

.151

.171

.205

.240

.257

.272

.299

.340

.380

.420

.500

.575

.648

.713

.775

.009

.018

.026

.035

.044

.054

.071

.090

.108

.125

.134

.144

.157

.180

.215

.251

.267

.286

.312

.357

.400

.441

.522

.600

.675

.742

.802

.009

.019

.028

.037

.046

.056

.075

.094

.113

.132

.140

.150

.165

.188

.224

.263

.280

.299

.326

.372

.416

.460

.545

.625

.698

.769

.827

.010

.020

.030

.040

.050

.060

.084

.102

.123

.144

.155

.165

.179

.205

.247

.286

.305

.326

.355

.405

.453

.500

.589

.675

.750

.819

.880

.011

.022

.033

.044

.055

.066

.088

.110

.132

.155

.167

.177

.194

.222

.266

.309

.331

.352

.384

.436

.487

.537

.632

.719

.795

.863

.919

.012

.024

.036

.048

.060

.071

.096

.119

.142

.167

.180

.190

.210

.240

.286

.332

.357

.378

.413

.468

.522

.575

.675

.763

.840

.907

.959

.012

.025

.038

.050

.063

.077

.102

.130

.155

.180

.192

.205

.224

.257

.305

.357

.380

.405

.441

.500

.555

.610

.713

.802

.880

.942

.986

.013

.027

.040

.054

.069

.081

.111

.136

.165

.192

.205

.220

.239

.272

.326

.378

.405

.430

.468

.529

.589

.648

.750

.825

.915

.9781.030

.015

.029

.046

.063

.077

.091

.123

.155

.184

.215

.230

.247

.268

.305

.365

.423

.451

.479

.522

.589

.654

.713

.819

.898

.9781.035

.016

.033

.050

.069

.086

.102

.136

.171

.205

.240

.257

.272

.299

.340

.405

.468

.500

.529

.575

.648

.713

.775

.880

.9591.030

Belt Width Reference

Belt Width Factor

075 100 150 200 300

0.71 1.00 1.56 2.14 3.36

RPM

of S

mal

l Pul

ley

Power Ratings (kW) for 1” wide L Series Belts (3/8” Pitch)Number of Teeth Small Pulley

12 13 14 15 16 17 18 19 20 21 22 24 26 28 30 32 36 40100200300400500600700800

10001200140015001750200022002500280030003200350040004500500055006000

0.040.100.140.190.230.280.330.370.460.560.650.700.810.931.011.161.291.38

0.050.100.150.200.250.310.350.400.510.600.710.760.871.011.101.251.401.491.591.73

0.050.110.160.220.280.330.380.430.540.660.760.810.951.081.191.341.501.601.701.862.11

0.060.120.170.230.290.350.410.460.580.700.810.871.011.161.271.431.601.711.821.982.242.502.742.973.20

0.060.130.190.250.310.370.430.500.620.750.870.931.081.231.351.531.711.821.942.112.392.652.923.153.39

0.070.130.200.260.330.400.460.530.660.790.920.981.151.311.431.621.811.932.042.232.512.803.063.313.54

0.070.140.210.280.350.420.490.560.700.840.971.041.211.381.511.721.912.042.162.352.662.943.223.473.71

0.070.150.220.300.370.440.510.590.740.881.031.101.281.451.601.812.012.142.272.472.783.073.363.613.84

0.070.160.230.310.390.470.540.620.780.931.081.161.341.531.681.892.102.252.382.582.903.213.493.753.98

0.080.160.250.330.410.490.570.620.810.971.131.211.411.601.751.982.212.352.492.703.033.343.633.884.12

0.090.170.250.340.430.510.600.690.851.011.191.271.481.681.842.072.312.452.602.813.163.473.764.014.24

0.100.190.280.370.470.560.650.750.931.111.291.381.601.821.992.252.492.652.803.033.393.713.994.234.42

0.100.200.310.400.510.600.710.811.001.201.401.491.731.962.152.422.682.843.013.253.603.924.204.434.59

0.110.220.330.430.540.650.760.871.081.291.501.601.862.102.302.592.863.033.203.443.804.124.374.574.68

0.120.230.350.460.580.700.810.931.161.381.601.721.982.252.452.753.033.213.393.633.984.294.524.674.74

0.130.250.370.500.620.750.870.981.231.471.711.822.112.372.602.913.203.393.563.804.164.444.634.724.72

0.140.280.420.560.700.840.971.111.381.651.912.042.352.662.883.213.513.713.884.124.434.664.73

0.160.310.470.620.780.931.081.231.531.822.102.252.592.903.163.503.803.994.164.384.634.75

RPM

of S

mal

l Pul

ley

Power Ratings (kW) for 1” wide H Series Belts (1/2” Pitch)Number of Teeth Small Pulley

14 16 18 19 20 21 22 24 26 28 30 32 36 40 44 48100200300400500600700800900

10001100120014001500160017502000220025002800300032003600400044004800500054006000

0.190.370.550.740.931.111.291.481.661.842.03

0.210.430.630.841.051.271.481.691.892.102.312.522.943.153.363.664.18

0.240.480.720.951.191.421.661.892.132.362.602.833.303.543.774.124.685.145.826.486.927.35

0.250.500.751.001.251.511.752.002.252.502.752.993.483.733.984.334.945.426.126.827.277.738.459.35

0.260.530.791.051.321.581.842.102.362.632.893.153.663.924.184.565.195.696.437.157.638.099.009.8810.7111.5011.8812.6013.57

0.280.550.831.111.391.661.932.212.482.763.033.303.844.114.384.785.455.976.747.497.988.479.41

10.3111.1711.9712.3513.0814.04

0.290.580.871.161.451.742.032.312.602.893.183.464.024.304.595.015.696.247.047.838.348.849.82

10.7411.6212.4412.8213.5514.50

0.310.630.951.271.581.892.212.522.833.153.463.774.384.684.995.456.186.777.638.479.019.54

10.5611.5212.4113.2113.5914.2715.12

0.340.691.031.371.722.052.392.733.073.413.744.074.745.075.395.886.687.308.229.119.68

10.2411.3012.2813.1813.9814.3514.99

0.370.741.111.481.842.212.572.943.303.664.034.395.105.455.806.317.167.838.809.74

10.3310.9112.0013.0013.8914.6715.01

0.400.791.191.581.982.362.763.153.543.924.304.695.455.826.196.747.648.349.35

10.3210.9411.5312.6413.6314.49

0.430.841.271.692.102.522.943.363.774.184.594.995.806.196.587.168.118.849.90

10.9011.5312.1413.2414.20

0.480.951.421.892.362.833.303.774.234.695.155.596.486.927.367.999.039.82

10.9512.0012.6513.2614.34

0.531.051.582.102.633.153.664.184.695.195.696.197.167.648.118.809.90

10.7411.9212.9913.6314.2215.20

0.581.161.742.312.893.464.034.595.145.696.246.777.838.348.849.58

10.7411.6212.8213.8814.4915.02

0.631.271.892.523.153.774.394.995.596.196.777.368.479.029.55

10.3211.5312.4313.6314.6415.20

Note: Shaded area indicates pulley speeds which can be used with a reduction in belt service life.

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:49 Page 9

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Timing Belt Drives - Installation

10

Cross & Morse Timing Belt Drives will give excellent performance andlong life provided they are correctly installed. Pulleys must be rigidlymounted and correctly aligned, and belts installed with a snug fit nothighly tensioned. One pulley should be flanged in all drives, and bothpulleys flanged on drives with vertical shafts.

Pulley Manufacture and ReboreStandard Pulleys are manufactured to high levels of concentricity.When plain bore pulleys are re-machined it is essential thatconcentricity between bore and pulley O.D. is kept within thefollowing:-

Pulleys up to 200mm diameter - 0.10mm total run-out.

Pulleys over 200mm diameter - 0.05/100mm dia. total run-outto maximum 0.20mm.

Also the bore of the pulley must be perpendicular to side faces within0.5mm/100mm dia. total run-out to a max. of 0.5mm.In manufacture pulleys of 200mm and above diameter are staticallybalanced to levels indicated below.

This level of balancing is adequate for the majority of applications, butwhere belt speeds exceed 30 m/s pulleys will need to be furtherdynamically balanced to 1.8 x 10-3 Nm. Cast Iron pulleys must neverbe run over 30 m/s belt speed.

Installation and Alignment of PulleysClean all oil, grease and dirt from pulleys, ensuring grooves and boreare clean and free from burrs. Pulleys should be assembled onto shaftsand rigidly locked in place by taper bush or close fit bore and key onparallel bore pulleys. Alignment of shafts and pulleys is essential asmisalignment will result in unequal belt tension and edge wear. Tocheck alignment place a straight edge against the outside edges of thepulleys and position pulleys so that the straight edge touches the twooutside and two inside edges of the pulleys. Alignment of pulleysshould be confirmed after installation of belt.Check the rigidity of the supporting framework. Shafts must be wellsupported to prevent distortion with resultant changes in centredistance which will result in belt slackness causing jumping of teethunder high starting or shock load conditions.

Timing Belt InstallationTiming belts are susceptible to kinking, and should never be forced orprised on to pulleys. Reduction of centre distance or removal oftensioning idler are normal methods to enable belt fitting. For fixedcentre drives without idler the belt must be fitted to pulley prior tomounting on shafts or support bearings. To enable correct fitting wherecentres can be adjusted, the centres must be able to be reduced by thevalue in the table below under “allowance for installation” andincreased by the tensioning allowance, from the nominal centre distance.

Belt TensionTiming Belt Drives do not require as much tension as other beltdrives that depend on friction to transmit the load. The belt shouldbe installed with a snug fit, neither taut or loose. The correct level oftension can be determined by measuring the force necessary todeflect the belt an amount equal to 1/64th of its span centres ‘S’.Values for measuring forces recorded on a spring balance appliedmid-span of the belt should be as shown in the table below. Thevalue recorded for a drive should be within 10% of these values.These measurements give correct tension for most drives, but forhigh shock load applications consult Cross & Morse Engineering.

High Power Metric and Open Ended BeltsThe correct tensioning of RPP Silver and RPP Gold High Power beltsincludes consideration of transmitted power, operating speeds, andnumber of teeth in pulleys.Open ended belts are normally tensioned according to max. linearload to be transmitted, to minimise any backlash on reversing drives.Advice on correct tensioning of those belts can be supplied by Crossand Morse technical dept, as well as assistance in belt selection.

Belt StorageTo ensure correct functioning of the belts and prevent prematurefailure, belts must be protected against sharp bending or creasing.They should be stored in a cool, dry, well ventilated room withintemperature range 15-20˚C. It is preferable to keep polyurethanebelts in a darkened environment.

Use of IdlersInside or outside idlers used for tensioning or power take off shouldbe on the slack side of the belt. Inside idlers must be grooved unlessthe number of grooves is more than 40, when flat idlers can be used.Flat faced idlers must not be crowned, and all idlers should be equalto, or greater than the smallest drive pulley. Idlers must be of fixedtype, and positioned so that the arc of contact is kept to a minimum.

Pulley Face Widthmm

Up to 60 200-300301-600

610

3M063M093M155M095M155M258M208M308M508M85

14M4014M5514M8514M11514M170

.17

.29

.54

.42

.811.461.933.055.309.205.608.00

13.0018.0027.00

6T2.56T5

10T516T525T5

16T1025T1032T1050T10XL037XL050L050L075L100H100H150H200H300

0.070.180.300.480.750.901.401.802.800.300.400.61.01.43.14.86.610.4

61-99

200-300301-600601-1000over 1000

10152030

100 and over

200-300301-600601-1000over 1000

20304060

Pulley Diametermm

Max. Unbalancegm

Belt Size F kg Belt Size F kg

Belt SizeOne Pulley Flanged Both Pulleys Flanged

TensioningAllowance

Allowance for Installation

3M5M8M14MXLLHXH

T2.5AT5 &T5

AT10 & T10

12.419.626.543.315.919.122.045.015.317.021.5

20.832.242.366.927.431.736.269.027.930.035.0

2.02.53.04.00.61.01.52.00.50.81.0

d = s/64mm

Values for Measuring Force

Std. Metric BeltsClassical and

Polyurethane Belts

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:49 Page 10

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11

Metric Series Timing Belts

High Power Metric Belts (page 13)RPP Silver Belts provide increased torque and power capacity.Available 8mm (8S) and 14mm (14S) pitches, they operate onstandard metric pulleys to transmit up to 470kW. Body of thebelt is manufactured from reinforced polychloropreniccompound with exceptional resistance to flex fatigue, ozone,heat, and mineral oils. The teeth are faced with graphiteimpregnated nylon for high strength and low friction. A highmodule resistant fibre cord gives high breaking strength withreduced elasticity.

As with classical series belts, power is transmitted by a glassfibre tension member spirally wound across the width of thebelt. The glass fibre cord ensures length stability combinedwith high strength and resistance to failure under repeatedflexing. The tension member is bonded into a syntheticrubber body moulded integral with the drive teeth. Therubber compound selected has complete absence of agedeformation and high resistance to mineral lubricating oils,heat, ozone and flex fatigue. A tough nylon fabric is bondedto the drive face of the belt, which by a patented treatment isself lubricating, for low coefficient of friction with exceptionalresistance to abrasion and shear, for high drive efficiency withlong belt and pulley life.

Standard Metric Belts (pages 12)The RPP series of belts provide the ideal solution for mostdrives. Totally interchangeable with other deep profile belts,they are available in 4 pitch sizes; 3mm (3M), 5mm (5M); 8mm(8M), and 14mm (14M). Standard drives are suitable forapplications from fractional kW up to 250kW power rating.In order to transmit higher powers tooth contact between beltand pulley has to be increased. To achieve this a parabolictooth form with contact angle increasing from tooth base totip was adopted, enabling a deeper tooth form than classicalbelts. The improved level of meshing, combined withsmoother engagement of drive, increased resistance to toothshear and tooth jumping enabled higher torque transmissionwith reduced installation tension. Belts have an indentation atthe top of the tooth to further improve meshing between beltand pulley by deformation of the tooth tip allowing precisemoulding of tooth to pulley contours, reducing frictional wear.The indentation also allows air to escape, further reducingnoise levels.

Standard High Torque Metric Timing Belt DrivesTo provide optimum performance with a standard range ofMetric High Torque Drive Pulleys, Cross & Morse selected.RPP series belts.The RPP belts are, combined with a standard range of pulleyto provide “off the shelf” drives in 4 pitches; 3mm (3M) 5mm(5M), 8mm (8M), and 14mm (14M), able to transmit up to700kW, or drive shafts to 15,000 r.p.m.

The pulleys are available with 2 methods of shaft connection;Pilot bored, pages 17-20, for finishing with sized bore, keywayand setscrews can, optionally be supplied finished; taperbored for fitting standard taper bushes page 25.

For even higher powered drives, up to 700kW, the Pantherseries belts, were developed in 8mm (8G) and 14mm (14G)pitches. These use Aramid reinforced polychloroprene for thebody of the belt with double layer graphite impregnatednylon facing for the teeth. The tension cables are in Kevlar formaximum strength with flexibility. The belts provide all theadvantages of RPP Silver with additional load capacity,excellent anti-static properties, and ability to use idlers on theback of the belt.

Anti Static BeltsBelts conforming to BS2050 standards can be supplied for the8M and 14M belt sizes. These belts are for appliction within chemical plants, oil refineries, and in mines.

The RPP Silver & RPP Gold high power belts have anti-staticproperties as standard.

Double sided Belts (page 15)To enable power to be taken from both sides of the belt totransfer direction of drive. Available in 5M and 14M toothform to operate on standard Metric pulleys.

These belts have moulded teeth on both sides with nylonjacket, to enable full torque transmission. Ideal for Serpentinedrives, and multi shaft arrangements.

‘TIL’ Long length BeltsSpecial manufacturing method enables extra long lengthendless belts to be manufactured.

Ideal for long centre distance drives where full torquetransmission is required.

Open Ended Metric Belts (pages 26-28)Long length (up to 150 Metres) open ended belts are availablein both standard neoprene rubber costruction, and inPolyurethane with RPP tooth form.For increased Power capacity the “Green Belt” is available asan alternate/replacement, these being Polyurethane beltsmanufactured to tight tolerance with standard RPP toothprofile for maximum power transmission.

The teeth are faced with green nylon fabric giving reducednoise and friction. High strength steel tension member giveshigh breaking strengths with extremely low elongation. Thebelts are available in 5mm, 8mm, and 14mm pitch for lineardrive applications, and are particularly suitable in drives withfrequent speed change.

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:50 Page 11

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535565575580600610615635640670675700705710725740750755800835850890900935940

BeltLength

mmNo.

Teeth

9mm Wide Belt 15mm Wide Belt 25mm Wide Belt

Cat. No. Cat. No. Cat. No.

535-5M9565-5M9575-5M9580-5M9600-5M9610-5M9615-5M9635-5M9640-5M9670-5M9675-5M9700-5M9705-5M9710-5M9725-5M9740-5M9750-5M9755-5M9800-5M9835-5M9850-5M9890-5M9900-5M9935-5M9940-5M9

107113115116120122123127128134135140141142145148150151160167170178180187188

22242424252626272728282930303031313234353637383939

535-5M15565-5M15575-5M15580-5M15600-5M15610-5M15615-5M15635-5M15640-5M15670-5M15675-5M15700-5M15705-5M15710-5M15725-5M15740-5M15750-5M15755-5M15800-5M15835-5M15850-5M15890-5M15900-5M15935-5M15940-5M15

37404041424343444547474949505152525356586062636566

535-5M25565-5M25575-5M25580-5M25600-5M25610-5M25615-5M25635-5M25640-5M25670-5M25675-5M25700-5M25705-5M25710-5M25725-5M25740-5M25750-5M25755-5M25800-5M25835-5M25850-5M25890-5M25900-5M25935-5M25940-5M25

636667687071727475787982828385878788949899104106109110

Wtgms

Wtgms

Wtgms

90-3M15105-3M15129-3M15141-3M15144-3M15147-3M15150-3M15159-3M15168-3M15174-3M15177-3M15180-3M15186-3M15195-3M15201-3M15204-3M15210-3M15213-3M15225-3M15231-3M15240-3M15243-3M15246-3M15252-3M15255-3M15261-3M15264-3M15267-3M15270-3M15

89

1010111111121213131414151617181819191920202122

Metric Series Timing Belts

5mm Pitch Standard Metric Belts Type 5MBelt

Lengthmm

No.Teeth

9mm Wide Belt 15mm Wide Belt 25mm Wide Belt

Cat. No. Cat. No. Cat. No.

180225235245255265270285295300305325345350375400420425450455460465475500525

3645474951535457596061656970758084859091929395100105

180-5M9225-5M9235-5M9245-5M9255-5M9265-5M9270-5M9285-5M9295-5M9300-5M9305-5M9325-5M9345-5M9350-5M9375-5M9400-5M9420-5M9425-5M9450-5M9455-5M9460-5M9465-5M9475-5M9500-5M9525-5M9

13161617181919202121212324252628293032323233333537

180-5M15225-5M15235-5M15245-5M15255-5M15265-5M15270-5M15285-5M15295-5M15300-5M15305-5M15325-5M15345-5M15350-5M15375-5M15400-5M15420-5M15425-5M15450-5M15455-5M15460-5M15465-5M15475-5M15500-5M15525-5M15

180-5M25225-5M25235-5M25245-5M25255-5M25265-5M25270-5M25285-5M25295-5M25300-5M25305-5M25325-5M25345-5M25350-5M25375-5M25400-5M25420-5M25425-5M25450-5M25455-5M25460-5M25465-5M25475-5M25500-5M25525-5M25

3mm Pitch Standard Metric Belts Type 3MBelt

Lengthmm

No.Teeth

6mm Wide Belt 9mm Wide Belt 15mm Wide Belt

Cat. No. Wt gms Cat. No. Cat. No.

90105129141144147150159168174177180186195201204210213225231240243246252255261264267270

3035434748495053565859606265676870717577808182848587888990

22333333344444444455555555566

90-3M6105-3M6129-3M6141-3M6144-3M6147-3M6150-3M6159-3M6168-3M6174-3M6177-3M6180-3M6186-3M6195-3M6201-3M6204-3M6210-3M6213-3M6225-3M6231-3M6240-3M6243-3M6246-3M6252-3M6255-3M6261-3M6264-3M6267-3M6270-3M6

33444555555666666777788888888

557778889999

1010101111111212121313131313141414

90-3M9105-3M9129-3M9141-3M9144-3M9147-3M9150-3M9159-3M9168-3M9174-3M9177-3M9180-3M9186-3M9195-3M9201-3M9204-3M9210-3M9213-3M9225-3M9231-3M9240-3M9243-3M9246-3M9252-3M9255-3M9261-3M9264-3M9267-3M9270-3M9

Wt gms

Wt gms

Wtgms

Wtgms

510-3M15513-3M15522-3M15531-3M15537-3M15564-3M15570-3M15576-3M15579-3M15597-3M15600-3M15633-3M15648-3M15669-3M15711-3M15735-3M15738-3M15756-3M15804-3M15882-3M15945-3M15

1062-3M151125-3M151245-3M151263-3M151500-3M151530-3M151863-3M15

No.Teeth

6mm Wide Belt 9mm Wide Belt 15mm Wide Belt

Cat. No. Wt gms Cat. No. Cat. No.

510513522531537564570576579597600633648669711735738756804882945

1062112512451263150015301863

170171174177179188190192193199200211216223237245246252268294315354375415421500510621

11111111111212121212121313141515151617181922232626313238

510-3M6513-3M6522-3M6531-3M6537-3M6564-3M6570-3M6576-3M6579-3M6597-3M6600-3M6633-3M6648-3M6669-3M6711-3M6735-3M6738-3M6756-3M6804-3M6882-3M6945-3M6

1062-3M61125-3M61245-3M61263-3M61500-3M61530-3M61863-3M6

16161616171718181818192020212223232325272933353839464758

26262727282929303031313333343738383941454955586465777996

Wt gms

Wt gms

510-3M9513-3M9522-3M9531-3M9537-3M9564-3M9570-3M9576-3M9579-3M9597-3M9600-3M9633-3M9648-3M9669-3M9711-3M9735-3M9738-3M9756-3M9804-3M9882-3M9945-3M9

1062-3M91125-3M91245-3M91263-3M91500-3M91530-3M91863-3M9

BeltLength

mm

BeltLength

mmNo.

Teeth

6mm Wide Belt 9mm Wide Belt 15mm Wide Belt

Cat. No. Wt gms Cat. No. Cat. No.

276285288291297300312318327330336339345357363375384390393405420432447474480486489501

9295969799

100104106109110112113115119121125128130131135140144149158160162163167

666666677777777888889991010101010

276-3M6285-3M6288-3M6291-3M6297-3M6300-3M6312-3M6318-3M6327-3M6330-3M6336-3M6339-3M6345-3M6357-3M6363-3M6375-3M6384-3M6390-3M6393-3M6405-3M6420-3M6432-3M6447-3M6474-3M6480-3M6486-3M6489-3M6501-3M6

99999910101010101011111112121212131313141515151515

14151515151516161717171718181919202020212222232425252526

Wt gms

Wt gms

276-3M9285-3M9288-3M9291-3M9297-3M9300-3M9312-3M9318-3M9327-3M9330-3M9336-3M9339-3M9345-3M9357-3M9363-3M9375-3M9384-3M9390-3M9393-3M9405-3M9420-3M9432-3M9447-3M9474-3M9480-3M9486-3M9489-3M9501-3M9

276-3M15285-3M15288-3M15291-3M15297-3M15300-3M15312-3M15318-3M15327-3M15330-3M15336-3M15339-3M15345-3M15357-3M15363-3M15375-3M15384-3M15390-3M15393-3M15405-3M15420-3M15432-3M15447-3M15474-3M15480-3M15486-3M15489-3M15501-3M15

25mm Wide BeltNo.Teeth

9mm Wide Belt 15mm Wide Belt

Cat. No. Cat. No. Cat. No.

950-5M9980-5M9

1000-5M91025-5M91050-5M91100-5M91125-5M91135-5M91195-5M91200-5M91240-5M91270-5M91420-5M91595-5M91690-5M91790-5M91800-5M91870-5M91895-5M91945-5M92000-5M92250-5M92525-5M9

190196200205210220225227239240248254284319338358360374379389400450505

40414243444647485050525360674175767980828495

106

950-5M15980-5M15

1000-5M151025-5M151050-5M151100-5M151125-5M151135-5M151195-5M151200-5M151240-5M151270-5M151420-5M151595-5M151690-5M151790-5M151800-5M151870-5M151895-5M151945-5M152000-5M152250-5M152525-5M15

67697072747779798484878999

112118125126131133136140158177

950-5M25980-5M25

1000-5M251025-5M251050-5M251100-5M251125-5M251135-5M251195-5M251200-5M251240-5M251270-5M251420-5M251595-5M251690-5M251790-5M251800-5M251870-5M251895-5M251945-5M252000-5M252250-5M252525-5M25

111115117120123129132133140140145149166187198209211219222228234263295

Wtgms

Wtgms

Wtgms

950980

100010251050110011251135119512001240127014201595169017901800187018951945200022502525

BeltLength

mmWtgms

21262729303132333535363840414447495053535454565961

12

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:50 Page 12

Page 15: Timing Belt Catalogue - opis.czopis.cz/cross-morse/pdf/Timing Belt Online Catalogue-2010.pdf · INDEX BACK NEXT Timing Belt Drives 2 Cross & Morse Timing Belt Drives take their place

INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

8mm Pitch Standard Metric Belts Type 8MBelt

Lengthmm

No.Teeth

20mm Wide Belt 30mm Wide Belt 50mm Wide Belt

Cat. No. Wt kg Cat. No. Wt kg Cat. No. Wt kg

288320352360384408456480536544560600608632640680720800840880896920960

288-8M20320-8M20352-8M20360-8M20384-8M20408-8M20456-8M20480-8M20536-8M20544-8M20560-8M20600-8M20608-8M20632-8M20640-8M20680-8M20720-8M20800-8M20840-8M20880-8M20896-8M20920-8M20960-8M20

3640444548515760676870757679808590

100105110112115120

0.0330.0360.0400.0410.0430.0460.0520.0540.0610.0610.0630.0680.0690.0710.0720.0770.0810.0900.0950.0990.1010.1040.108

288-8M30320-8M30352-8M30360-8M30384-8M30408-8M30456-8M30480-8M30536-8M30544-8M30560-8M30600-8M30608-8M30632-8M30640-8M30680-8M30720-8M30800-8M30840-8M30880-8M30896-8M30920-8M30960-8M30

0.0490.0540.0600.0610.0650.0690.0770.0810.0910.0920.0950.1020.1030.1070.1080.1150.1220.1360.1420.1490.1520.1560.163

288-8M50320-8M50352-8M50360-8M50384-8M50408-8M50456-8M50480-8M50536-8M50544-8M50560-8M50600-8M50608-8M50632-8M50640-8M50680-8M50720-8M50800-8M50840-8M50880-8M50896-8M50920-8M50960-8M50

0.0810.0900.0990.1020.1080.1150.1290.1360.1510.1540.1580.1700.1720.1790.1810.1920.2030.2260.2370.2490.2530.2600.271

288-8M85320-8M85352-8M85360-8M85384-8M85408-8M85456-8M85480-8M85536-8M85544-8M85560-8M85600-8M85608-8M85632-8M85640-8M85680-8M85720-8M85800-8M85840-8M85880-8M85896-8M85920-8M85960-8M85

0.1380.1540.1690.1730.1840.1960.2190.2310.2570.2610.2690.2880.2920.3040.3070.3270.3460.3840.4030.4230.4300.4420.461

85mm Wide Belt

Cat. No. Wt kg

BeltLength

mmNo.

Teeth

20mm Wide Belt 30mm Wide Belt 50mm Wide Belt

Cat. No. Wt kg Cat. No. Wt kg Cat. No. Wt kg

10001040108011201200122412801352144014641600176018002000220024002520260028003048328036004400

1000-8M201040-8M201080-8M201120-8M201200-8M201224-8M201280-8M201352-8M201440-8M201464-8M201600-8M201760-8M201800-8M202000-8M202200-8M202400-8M202520-8M202600-8M202800-8M203048-8M203280-8M203600-8M204400-8M20

125130135140150153160169180183200220225250275300315325350381410450550

0.1130.1180.1220.1270.1360.1380.1450.1530.1630.1650.1810.1990.2030.2260.2490.2710.2850.2940.3160.3440.3710.4070.497

1000-8M301040-8M301080-8M301120-8M301200-8M301224-8M301280-8M301352-8M301440-8M301464-8M301600-8M301760-8M301800-8M302000-8M302200-8M302400-8M302520-8M302600-8M302800-8M303048-8M303280-8M303600-8M304400-8M30

0.1700.1760.1830.1900.2030.2070.2170.2290.2440.2480.2710.2960.3050.3390.3730.4070.4270.4410.4750.5170.5560.6100.746

1000-8M501040-8M501080-8M501120-8M501200-8M501224-8M501280-8M501352-8M501440-8M501464-8M501600-8M501760-8M501800-8M502000-8M502200-8M502400-8M502520-8M502600-8M502800-8M503048-8M503280-8M503600-8M504400-8M50

0.2830.2940.3050.3160.3390.3460.3620.3820.4070.4140.4520.4970.5090.5650.6220.6780.7120.7350.7910.8610.9271.0171.243

1000-8M851040-8M851080-8M851120-8M851200-8M851224-8M851280-8M851352-8M851440-8M851464-8M851600-8M851760-8M851800-8M852000-8M852200-8M852400-8M852520-8M852600-8M852800-8M853048-8M853280-8M853600-8M854400-8M85

0.4800.4990.5190.5380.5760.5880.6150.6490.6920.7030.7680.8450.8640.9611.0571.1531.2101.2491.3451.4641.5751.7292.113

85mm Wide Belt

Cat. No. Wt kg

10001040108011201200122412801352144014641600176018002000220024002520260028003048328036004400

288320352360384408456480536544560600608632640680720800840880896920960

8mm Pitch RPP Silver High Power Belts Type 8SBelt

Lengthmm

No.Teeth

20mm Wide Belt

Cat. No. Wt kg

30mm Wide Belt

Cat. No. Wt kg

50mm Wide Belt

Cat. No. Wt kg

85mm Wide Belt

Cat. No. Wt kg

288-8S20320-8S20352-8S20360-8S20384-8S20408-8S20456-8S20480-8S20536-8S20544-8S20560-8S20600-8S20608-8S20632-8S20640-8S20680-8S20720-8S20800-8S20840-8S20880-8S20896-8S20920-8S20960-8S20

3640444548515760676870757679808590

100105110112115120

0.0330.0360.0400.0410.0430.0460.0520.0540.0610.0610.0630.0680.0690.0710.0720.0770.0810.0900.0950.0990.1010.1040.108

288-8S30320-8S30352-8S30360-8S30384-8S30408-8S30456-8S30480-8S30536-8S30544-8S30560-8S30600-8S30608-8S30632-8S30640-8S30680-8S30720-8S30800-8S30840-8S30880-8S30896-8S30920-8S30960-8S30

0.0490.0540.0600.0610.0650.0690.0770.0810.0910.0920.0950.1020.1030.1070.1080.1150.1220.1360.1420.1490.1520.1560.163

288-8S50320-8S50352-8S50360-8S50384-8S50408-8S50458-8S50480-8S50536-8S50544-8S50560-8S50600-8S50608-8S50632-8S50640-8S50680-8S50720-8S50800-8S50840-8S50880-8S50896-8S50920-8S50960-8S50

0.0810.0900.0990.1020.1080.1150.1290.1360.1510.1540.1580.1700.1720.1790.1810.1920.2030.2260.2370.2490.2530.2600.271

288-8S85320-8S85352-8S85360-8S85384-8S85408-8S85456-8S85480-8S85536-8S85544-8S85560-8S85600-8S85608-8S85632-8S85640-8S85680-8S85720-8S85800-8S85840-8S85880-8S85896-8S85920-8S85960-8S85

0.1360.1540.1690.1730.1840.1960.2190.2310.2570.2610.2690.2880.2920.3040.3070.3270.3460.3840.4030.4230.4300.4420.461

BeltLength

mmNo.

Teeth20mm Wide Belt

Cat. No. Wt kg

30mm Wide Belt

Cat. No. Wt kg

50mm Wide Belt

Cat. No. Wt kg

85mm Wide Belt

Cat. No. Wt kg

1000-8S201040-8S201080-8S201120-8S201200-8S201224-8S201280-8S201352-8S201440-8S201464-8S201600-8S201760-8S201800-8S202000-8S202200-8S202400-8S202520-8S202600-8S202800-8S203048-8S203280-8S203600-8S204400-8S20

125130135140150153160169180183200220225250275300315325350381410450550

0.1130.1180.1220.1270.1360.1380.1450.1530.1630.1650.1810.1990.2030.2260.2490.2710.2850.2940.3160.3440.3710.4070.497

1000-8S301040-8S301080-8S301120-8S301200-8S301224-8S301280-8S301352-8S301440-8S301464-8S301600-8S301760-8S301800-8S302000-8S302200-8S302400-8S302520-8S302600-8S302800-8S303048-8S303280-8S303600-8S304400-8S30

0.1700.1760.1830.1900.2030.2070.2170.2290.2440.2480.2710.2980.3050.3390.3730.4070.4270.4410.4750.5170.5560.6100.746

1000-8S501040-8S501080-8S501120-8S501200-8S501224-8S501280-8S501352-8S501440-8S501464-8S501600-8S501760-8S501800-8S502000-8S502200-8S502400-8S502520-8S502600-8S502800-8S503048-8S503280-8S503600-8S504400-8S50

0.2830.2940.3050.3160.3390.3460.3620.3820.4070.4140.4520.4970.5090.5650.6220.6780.7120.7350.7910.8610.9271.0171.243

1000-8S851040-8S851080-8S851120-8S851200-8S851224-8S851280-8S851352-8S851440-8S851464-8S851600-8S851760-8S851800-8S852000-8S852200-8S852400-8S852520-8S852600-8S852800-8S853048-8S853280-8S853600-8S854400-8S85

0.4800.4990.5190.5380.5760.5880.6150.6490.6920.7030.7680.8450.8640.9611.0571.1531.2101.2491.3451.4641.5751.7292.113

13

288320352360384408456480536544560600608632640680720800840880896920960

288-8G20320-8G20352-8G20360-8G20384-8G20408-8G20456-8G20480-8G20536-8G20544-8G20560-8G20600-8G20608-8G20632-8G20640-8G20680-8G20720-8G20800-8G20840-8G20880-8G20896-8G20920-8G20960-8G20

3640444548515760676870757679808590

100105110112115120

0.0330.0360.0400.0410.0430.0460.0520.0540.0610.0610.0630.0680.0690.0710.0720.0770.0810.0900.0950.0990.1010.1040.108

288-8G30320-8G30352-8G30360-8G30384-8G30408-8G30456-8G30480-8G30536-8G30544-8G30560-8G30600-8G30608-8G30632-8G30640-8G30680-8G30720-8G30800-8G30840-8G30880-8G30896-8G30920-8G30960-8G30

0.0490.0540.0600.0610.0650.0690.0770.0810.0910.0920.0950.1020.1030.1070.1080.1150.1220.1360.1420.1490.1520.1560.163

288-8G50320-8G50352-8G50360-8G50384-8G50408-8G50456-8G50480-8G50536-8G50544-8G50560-8G50600-8G50608-8G50632-8G50640-8G50680-8G50720-8G50800-8G50840-8G50880-8G50896-8G50920-8G50960-8G50

0.0810.0900.0990.1020.1080.1150.1290.1360.1510.1540.1580.1700.1720.1790.1810.1920.2030.2260.2370.2490.2530.2600.271

288-8G85320-8G85352-8G85360-8G85384-8G85408-8G85456-8G85480-8G85536-8G85544-8G85560-8G85600-8G85608-8G85632-8G85640-8G85680-8G85720-8G85800-8G85840-8G85880-8G85896-8G85920-8G85960-8G85

0.1380.1540.1690.1730.1840.1960.2190.2310.2570.2610.2690.2880.2920.3040.3070.3270.3460.3840.4030.4230.4300.4420.461

10001040108011201200122412801352144014641600176018002000220024002520260028003048328036004400

8mm Pitch Gold High Power Belts Type 8GBelt

Lengthmm

No.Teeth

20mm Wide Belt

Cat. No. Wt kg

30mm Wide Belt

Cat. No. Wt kg

50mm Wide Belt

Cat. No. Wt kg

85mm Wide Belt

Cat. No. Wt kg

BeltLength

mmNo.

Teeth20mm Wide Belt

Cat. No. Wt kg

30mm Wide Belt

Cat. No. Wt kg

50mm Wide Belt

Cat. No. Wt kg

85mm Wide Belt

Cat. No. Wt kg

1000-8G201040-8G201080-8G201120-8G201200-8G201224-8G201280-8G201352-8G201440-8G201464-8G201600-8G201760-8G201800-8G202000-8G202200-8G202400-8G202520-8G202600-8G202800-8G203048-8G203280-8G203600-8G204400-8G20

125130135140150153160169180183200220225250275300315325350381410450550

0.1130.1180.1220.1270.1360.1380.1450.1530.1630.1650.1810.1990.2030.2260.2490.2710.2850.2940.3160.3440.3710.4070.497

1000-8G301040-8G301080-8G301120-8G301200-8G301224-8G301280-8G301352-8G301440-8G301464-8G301600-8G301760-8G301800-8G302000-8G302200-8G302400-8G302520-8G302600-8G302800-8G303048-8G303280-8G303600-8G304400-8G30

0.1700.1760.1830.1900.2030.2070.2170.2290.2440.2480.2710.2980.3050.3390.3730.4070.4270.4410.4750.5170.5560.6100.746

1000-8G501040-8G501080-8G501120-8G501200-8G501224-8G501280-8G501352-8G501440-8G501464-8G501600-8G501760-8G501800-8G502000-8G502200-8G502400-8G502520-8G502600-8G502800-8G503048-8G503280-8G503600-8G504400-8G50

0.2830.2940.3050.3160.3390.3460.3620.3820.4070.4140.4520.4970.5090.5650.6220.6780.7120.7350.7910.8610.9271.0171.243

1000-8G851040-8G851080-8G851120-8G851200-8G851224-8G851280-8G851352-8G851440-8G851464-8G851600-8G851760-8G851800-8G852000-8G852200-8G852400-8G852520-8G852600-8G852800-8G853048-8G853280-8G853600-8G854400-8G85

0.4800.4990.5190.5380.5760.5880.6150.6490.6920.7030.7680.8450.8640.9611.0571.1531.2101.2491.3451.4641.5751.7292.113

High Power RPP Silver and RPP Gold BeltsThe improved design RPP Silver and RPP Gold Belts cantransmit higher torques whilst still operating on standard HTDpulleys. Replacing a standard metric belt with the equivalentRPP belt can enable up to 100% more torque transmission,whilst the equivalent RPP Gold belt provides up to 200% more.

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:50 Page 13

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14

14mm Pitch Standard Metric Belts Type 14MBelt

Lengthmm

No.Teeth

40mm Wide Belt 55mm Wide Belt 85mm Wide Belt

Cat. No. Wt kg Cat. No. Wt kg Cat. No. Wt kg

966994

10921106119012601288134414001442156816101764177818481890190419602100224023102380245025902660280031503360350038503920432645784956

966-14M40994-14M40

1092-14M401106-14M401190-14M401260-14M401288-14M401344-14M401400-14M401442-14M401568-14M401610-14M401764-14M401778-14M401848-14M401890-14M401904-14M401960-14M402100-14M402240-14M402310-14M402380-14M402450-14M402590-14M402660-14M402800-14M403150-14M403360-14M403500-14M403850-14M403920-14M404326-14M404578-14M404956-14M40

6971787985909296

100103112115126127132135136140150160165170175185190200225240250275280309327354

0.380.390.430.440.470.500.510.530.550.570.620.630.700.700.730.740.750.770.830.880.910.940.971.021.051.101.241.321.381.521.541.701.801.95

966-14M55994-14M55

1092-14M551106-14M551190-14M551260-14M551288-14M551344-14M551400-14M551442-14M551568-14M551610-14M551764-14M551778-14M551848-14M551890-14M551904-14M551960-14M552100-14M552240-14M552310-14M552380-14M552450-14M552590-14M552660-14M552800-14M553150-14M553360-14M553500-14M553850-14M553920-14M554326-14M554578-14M554956-14M55

0.520.540.590.600.640.680.700.730.760.780.850.870.960.961.001.021.031.061.141.211.251.291.331.401.441.521.711.821.902.092.122.342.482.68

966-14M85994-14M85

1092-14M851106-14M851190-14M851260-14M851288-14M851344-14M851400-14M851442-14M851568-14M551610-14M851764-14M851778-14M851848-14M851890-14M851904-14M851960-14M852100-14M852240-14M852310-14M852380-14M852450-14M852590-14M852660-14M852800-14M853150-14M853360-14M853500-14M853850-14M853920-14M854326-14M854578-14M854956-14M85

0.810.830.910.931.001.051.081.131.171.211.311.351.481.491.551.581.591.641.761.881.931.992.052.172.232.342.642.812.933.223.283.623.834.15

966-14M115994-14M115

1092-14M1151106-14M1151190-14M1151260-14M1151288-14M1151344-14M1151400-14M1151442-14M1151568-14M1151610-14M1151764-14M1151778-14M1151848-14M1151890-14M1151904-14M1151960-14M1152100-14M1152240-14M1152310-14M1152380-14M1152450-14M1152590-14M1152660-14M1152800-14M1153150-14M1153360-14M1153500-14M1153850-14M1153920-14M1154326-14M1154578-14M1154956-14M115

1.091.131.241.251.351.431.461.521.591.631.781.822.002.012.092.142.162.222.382.542.622.702.782.933.013.173.573.813.964.364.444.905.195.61

966-14M170994-14M170

1092-14M1701106-14M1701190-14M1701260-14M1701288-14M1701344-14M1701400-14M1701442-14M1701568-14M1701610-14M1701764-14M1701778-14M1701848-14M1701890-14M1701904-14M1701960-14M1702100-14M1702240-14M1702310-14M1702380-14M1702450-14M1702590-14M1702660-14M1702800-14M1703150-14M1703360-14M1703500-14M1703850-14M1703920-14M1704326-14M1704578-14M1704956-14M170

1.621.661.831.851.992.112.162.252.342.412.632.702.952.983.093.163.193.283.523.753.873.994.104.344.454.695.275.635.866.456.567.247.678.30

115mm Wide Belt 170mm Wide Belt

Cat. No. Wt kg Cat. No. Wt kg

1.091.131.241.251.351.431.461.521.591.631.781.822.002.012.092.142.162.222.382.542.622.702.782.933.013.173.573.813.964.364.444.905.195.61

966994

10921106119012601288134414001442156816101764177818481890190419602100224023102380245025902660280031503360350038503920432645784956

14mm Pitch RPP Silver High Power Belts Type 14SBelt

Lengthmm

No.Teeth

40mm Wide Belt

Cat. No. Wt kg

55mm Wide Belt

Cat. No. Wt kg

85mm Wide Belt

Cat. No. Wt kg

115mm Wide Belt 170mm Wide Belt

Cat. No. Wt kg

966-14S40994-14S40

1092-14S401106-14S401190-14S401260-14S401288-14S401344-14S401400-14S401442-14S401568-14S401610-14S401764-14S401778-14S401848-14S401890-14S401904-14S401960-14S402100-14S402240-14S402310-14S402380-14S402450-14S402590-14S402660-14S402800-14S403150-14S403360-14S403500-14S403850-14S403920-14S404326-14S404578-14S404956-14S40

6971787985909296

100103112115126127132135136140150160165170175185190200225240250275280309327354

0.380.390.430.440.470.500.510.530.550.570.620.630.700.700.730.740.750.770.830.880.910.940.971.021.051.101.241.321.381.521.541.701.801.95

966-14S55994-14S55

1092-14S551106-14S551190-14S551260-14S551288-14S551344-14S551400-14S551442-14S551568-14S551610-14S551764-14S551778-14S551848-14S551890-14S551904-14S551960-14S552100-14S552240-14S552310-14S552380-14S552450-14S552590-14S552660-14S552800-14S553150-14S553360-14S553500-14S553850-14S553920-14S554326-14S554578-14S554956-14S55

0.520.540.590.600.640.680.700.730.760.780.850.870.960.961.001.021.031.061.141.211.251.291.331.401.441.521.711.821.902.092.122.342.482.68

966-14S85994-14S85

1092-14S851106-14S851190-14S851260-14S851288-14S851344-14S851400-14S851442-14S851568-14S851610-14S851764-14S851778-14S851848-14S851890-14S851904-14S851960-14S852100-14S852240-14S852310-14S852380-14S852450-14S852590-14S852660-14S852800-14S853150-14S853360-14S853500-14S853850-14S853920-14S854326-14S854578-14S854956-14S85

0.810.830.910.931.001.051.081.131.171.211.311.351.481.491.551.581.591.641.761.881.931.992.052.172.232.342.642.812.933.223.283.623.834.15

966-14S115994-14S115

1092-14S1151106-14S1151190-14S1151260-14S1151288-14S1151344-14S1151400-14S1151442-14S1151568-14S1151610-14S1151764-14S1151778-14S1151848-14S1151890-14S1151904-14S1151960-14S1152100-14S1152240-14S1152310-14S1152380-14S1152450-14S1152590-14S1152660-14S1152800-14S1153150-14S1153360-14S1153500-14S1153850-14S1153920-14S1154326-14S1154578-14S1154956-14S115

Cat. No. Wt kg

966-14S170994-14S170

1092-14S1701106-14S1701190-14S1701260-14S1701288-14S1701344-14S1701400-14S1701442-14S1701568-14S1701610-14S1701764-14S1701778-14S1701848-14S1701890-14S1701904-14S1701960-14S1702100-14S1702240-14S1702310-14S1702380-14S1702450-14S1702590-14S1702660-14S1702800-14S1703150-14S1703360-14S1703500-14S1703850-14S1703920-14S1704326-14S1704578-14S1704956-14S170

1.621.661.831.851.992.112.162.252.342.412.632.702.952.983.093.163.193.283.523.753.873.994.104.344.454.695.275.635.866.456.567.247.678.30

966994

10921106119012601288134414001442156816101764177818481890190419602100224023102380245025902660280031503360350038503920432645784956

BeltLength

mmNo.

Teeth40mm Wide Belt

Cat. No. Wt kg

55mm Wide Belt

Cat. No. Wt kg

85mm Wide Belt

Cat. No. Wt kg

115mm Wide Belt 170mm Wide Belt

Cat. No. Wt kg

966-14G40994-14G40

1092-14G401106-14G401190-14G401260-14G401288-14G401344-14G401400-14G401442-14G401568-14G401610-14G401764-14G401778-14G401848-14G401890-14G401904-14G401960-14G402100-14G402240-14G402310-14G402380-14G402450-14G402590-14G402660-14G402800-14G403150-14G403360-14G403500-14G403850-14G403920-14G404326-14G404578-14G404956-14G40

6971787985909296100103112115126127132135136140150160165170175185190200225240250275280309327354

0.380.390.430.440.470.500.510.530.550.570.620.630.700.700.730.740.750.770.830.880.910.940.971.021.051.101.241.321.381.521.541.701.801.95

966-14G55994-14G55

1092-14G551106-14G551190-14G551260-14G551288-14G551344-14G551400-14G551442-14G551568-14G551610-14G551764-14G551778-14G551848-14G551890-14G551904-14G551960-14G552100-14G552240-14G552310-14G552380-14G552450-14G552590-14G552660-14G552800-14G553150-14G553360-14G553500-14G553850-14G553920-14G554326-14G554578-14G554956-14G55

0.520.540.590.600.640.680.700.730.760.780.850.870.960.961.001.021.031.061.141.211.251.291.331.401.441.521.711.821.902.092.122.342.482.68

966-14G85994-14G85

1092-14G851106-14G851190-14G851260-14G851288-14G851344-14G851400-14G851442-14G851568-14G851610-14G851764-14G851778-14G851848-14G851890-14G851904-14G851960-14G852100-14G852240-14G852310-14G852380-14G852450-14G852590-14G852660-14G852800-14G853150-14G853360-14G853500-14G853850-14G853920-14G854326-14G854578-14G854956-14G85

0.810.830.910.931.001.051.081.131.171.211.311.351.481.491.551.581.591.641.761.881.931.992.052.172.232.342.642.812.933.223.283.623.834.15

966-14G115994-14G115

1092-14G1151106-14G1151190-14G1151260-14G1151288-14G1151344-14G1151400-14G1151442-14G1151568-14G1151610-14G1151764-14G1151778-14G1151848-14G1151890-14G1151904-14G1151960-14G1152100-14G1152240-14G1152310-14G1152380-14G1152450-14G1152590-14G1152660-14G1152800-14G1153150-14G1153360-14G1153500-14G1153850-14G1153920-14G1154326-14G1154578-14G1154956-14G115

1.091.131.241.251.351.431.461.521.591.631.781.822.002.012.092.142.162.222.382.542.622.702.782.933.013.173.573.813.964.364.444.905.195.61

966-14G170994-14G170

1092-14G1701106-14G1701190-14G1701260-14G1701288-14G1701344-14G1701400-14G1701442-14G1701568-14G1701610-14G1701764-14G1701778-14G1701848-14G1701890-14G1701904-14G1701960-14G1702100-14G1702240-14G1702310-14G1702380-14G1702450-14G1702590-14G1702660-14G1702800-14G1703150-14G1703360-14G1703500-14G1703850-14G1703920-14G1704326-14G1704578-14G1704956-14G170

1.621.661.831.851.992.112.162.252.342.412.632.702.952.983.093.163.193.283.523.753.873.994.104.344.454.695.275.635.866.456.567.247.678.30

Cat. No. Wt kg

14mm Pitch Gold High Power Belts Type 14G

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:50 Page 14

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15

600-5M25DD610-5M25DD615-5M25DD635-5M25DD640-5M25DD670-5M25DD675-5M25DD700-5M25DD705-5M25DD710-5M25DD725-5M25DD740-5M25DD750-5M25DD755-5M25DD800-5M25DD835-5M25DD850-5M25DD890-5M25DD900-5M25DD935-5M25DD940-5M25DD950-5M25DD980-5M25DD

1000-5M25DD1025-5M25DD1050-5M25DD1100-5M25DD1125-5M25DD1135-5M25DD1195-5M25DD1200-5M25DD1240-5M25DD1270-5M25DD1420-5M25DD1595-5M25DD1690-5M25DD1790-5M25DD1800-5M25DD1870-5M25DD1895-5M25DD1945-5M25DD2000-5M25DD2250-5M25DD2525-5M25DD

42434344454747494950515252535658606263656667697072747779798484878999

112118125126131133136140158177

600-5M15DD610-5M15DD615-5M15DD635-5M15DD640-5M15DD670-5M15DD675-5M15DD700-5M15DD705-5M15DD710-5M15DD725-5M15DD740-5M15DD750-5M15DD755-5M15DD800-5M15DD835-5M15DD850-5M15DD890-5M15DD900-5M15DD935-5M15DD940-5M15DD950-5M15DD980-5M15DD

1000-5M15DD1025-5M15DD1050-5M15DD1100-5M15DD1125-5M15DD1135-5M15DD1195-5M15DD1200-5M15DD1240-5M15DD1270-5M15DD1420-5M15DD1595-5M15DD1690-5M15DD1790-5M15DD1800-5M15DD1870-5M15DD1895-5M15DD1945-5M15DD2000-5M15DD2250-5M15DD2525-5M15DD

600610615635640670675700705710725740750755800835850890900935940950980

100010251050110011251135119512001240127014201595169017901800187018951945200022502525

Metric Series Timing Belt Drives

Double Sided Metric BeltsDouble-sided belts have teeth equally constructed on each side of the belt, which enables them to mesh with toothed pulleys onboth the inside and outside. The construction of the belts is basically the same as standard Metric belts, except that the nylon facing is also on the backing teeth, enabling full torque transmission from each side of the belt.

Double sided belts enable:-

• Reverse motion between internal and external pulleys. • Require only one belt to drive a series of pulleys.

• Simplified design layouts and weight reduction.

Standard Double sided belts are available in three sizes, 5M, 8M, and 14M, all operating on standard HTD pulleys.

5mm Pitch Double Sided Metric Belts Type 5M-DDBelt

Lengthmm

No.Teeth Cat. No.

600-5M9DD610-5M9DD615-5M9DD635-5M9DD640-5M9DD670-5M9DD675-5M9DD700-5M9DD705-5M9DD710-5M9DD725-5M9DD740-5M9DD750-5M9DD755-5M9DD800-5M9DD835-5M9DD850-5M9DD890-5M9DD900-5M9DD935-5M9DD940-5M9DD950-5M9DD980-5M9DD

1000-5M9DD1025-5M9DD1050-5M9DD1100-5M9DD1125-5M9DD1135-5M9DD1195-5M9DD1200-5M9DD1240-5M9DD1270-5M9DD1420-5M9DD1595-5M9DD1690-5M9DD1790-5M9DD1800-5M9DD1870-5M9DD1895-5M9DD1945-5M9DD2000-5M9DD2250-5M9DD2525-5M9DD

120122123127128134135140141142145148150151160167170178180187188190196200205210220225227239240248254284319338358360374379389400450505

25262627272828293030303131323435363738393940414243444647485050525360677175767980828495

106

9mm Wide Belt 15mm Wide Belt

Cat. No. WtgmsWtgms

7071727475787982828385878788949899

104106109110111115117120123129132133140140145149166187198209211219222228234263295

25mm Wide Belt

Cat. No. Wtgms

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:50 Page 15

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8mm Pitch Double Sided Metric Belts Type 8M-DD

Cat. No.

0.1700.1720.1790.1810.1920.2030.2260.2370.2490.2530.2600.2710.2830.2940.3050.3160.3390.3460.3620.3820.4070.4140.4520.4970.5090.5650.6220.6780.7120.7350.7910.8610.9271.0171.243

600-8M50DD608-8M50DD632-8M50DD640-8M50DD680-8M50DD720-8M50DD800-8M50DD840-8M50DD880-8M50DD896-8M50DD920-8M50DD960-8M50DD

1000-8M50DD1040-8M50DD1080-8M50DD1120-8M50DD1200-8M50DD1224-8M50DD1280-8M50DD1352-8M50DD1440-8M50DD1464-8M50DD1600-8M50DD1760-8M50DD1800-8M50DD2000-8M50DD2200-8M50DD2400-8M50DD2520-8M50DD2600-8M50DD2800-8M50DD3048-8M50DD3280-8M50DD3600-8M50DD4400-8M50DD

0.1020.1030.1070.1080.1150.1220.1360.1420.1490.1520.1560.1630.1700.1760.1830.1900.2030.2070.2170.2290.2440.2480.2710.2980.3050.3390.3730.4070.4270.4410.4750.5170.5560.6100.746

600608632640680720800840880896920960

10001040108011201200122412801352144014641600176018002000220024002520260028003048328036004400

BeltLength

mmNo.

Teeth Cat. No.

600-8M20DD608-8M20DD632-8M20DD640-8M20DD680-8M20DD720-8M20DD800-8M20DD840-8M20DD880-8M20DD896-8M20DD920-8M20DD960-8M20DD

1000-8M20DD1040-8M20DD1080-8M20DD1120-8M20DD1200-8M20DD1224-8M20DD1280-8M20DD1352-8M20DD1440-8M20DD1464-8M20DD1600-8M20DD1760-8M20DD1800-8M20DD2000-8M20DD2200-8M20DD2400-8M20DD2520-8M20DD2600-8M20DD2800-8M20DD3048-8M20DD3280-8M20DD3600-8M20DD4400-8M20DD

757679808590

100105110112115120125130135140150153160169180183200220225250275300315325350381410450550

0.0680.0690.0710.0720.0770.0810.0900.0950.0990.1010.1040.1080.1130.1180.1220.1270.1360.1380.1450.1530.1630.1650.1810.1990.2030.2260.2490.2710.2850.2940.3160.3440.3710.4070.497

20mm Wide Belt 30mm Wide Belt

Cat. No.Wt kg

50mm Wide Belt

600-8M30DD608-8M30DD632-8M30DD640-8M30DD680-8M30DD720-8M30DD800-8M30DD840-8M30DD880-8M30DD896-8M30DD920-8M30DD960-8M30DD

1000-8M30DD1040-8M30DD1080-8M30DD1120-8M30DD1200-8M30DD1224-8M30DD1280-8M30DD1352-8M30DD1440-8M30DD1464-8M30DD1600-8M30DD1760-8M30DD1800-8M30DD2000-8M30DD2200-8M30DD2400-8M30DD2520-8M30DD2600-8M30DD2800-8M30DD3048-8M30DD3280-8M30DD3600-8M30DD4400-8M30DD

Wt kg Wt kg

85mm Wide Belt

Cat. No. Wt kg

0.2880.2920.3040.3070.3270.3460.3840.4030.4230.4300.4420.4610.4800.4990.5190.5380.5760.5880.6150.6490.6920.7030.7680.8450.8640.9611.0571.1531.2101.2491.3451.4641.5751.7292.113

600-8M85DD608-8M85DD632-8M85DD640-8M85DD680-8M85DD720-8M85DD800-8M85DD840-8M85DD880-8M85DD896-8M85DD920-8M85DD960-8M85DD

1000-8M85DD1040-8M85DD1080-8M85DD1120-8M85DD1200-8M85DD1224-8M85DD1280-8M85DD1352-8M85DD1440-8M85DD1464-8M85DD1600-8M85DD1760-8M85DD1800-8M85DD2000-8M85DD2200-8M85DD2400-8M85DD2520-8M85DD2600-8M85DD2800-8M85DD3048-8M85DD3280-8M85DD3600-8M85DD4400-8M85DD

Wt kg

115mm Wide Belt85mm Wide Belt40mm Wide Belt

966994

1092110611901260128813441400144215681610175017641778184818901904196021002240231023802450259026602800296831503360350038503920432645784956

6971787985909296

100103112115125126127132135136140150160165170175185190200212225240250275280309327354

14mm Pitch Double-sided Metric Belts Type 14M- DD

Cat. No.

BeltLength

mmNo.

Teeth Cat. No.

55mm Wide Belt

Cat. No.Wt kg Wt kg Wt kg Cat. No.

966-14M40DD994-14M40DD

1092-14M40DD1106-14M40DD1190-14M40DD1260-14M40DD1288-14M40DD1344-14M40DD1400-14M40DD1442-14M40DD1568-14M40DD1610-14M40DD1750-14M40DD1764-14M40DD1778-14M40DD1848-14M40DD1890-14M40DD1904-14M40DD1960-14M40DD2100-14M40DD2240-14M40DD2310-14M40DD2380-14M40DD2450-14M40DD2590-14M40DD2660-14M40DD2800-14M40DD2968-14M40DD3150-14M40DD3360-14M40DD3500-14M40DD3850-14M40DD3920-14M40DD4326-14M40DD4578-14M40DD4956-14M40DD

0.380.390.430.440.470.500.510.530.550.570.620.630.690.700.700.730.740.750.770.830.880.910.940.971.021.051.101.171.241.321.381.521.541.701.801.95

966-14M55DD994-14M55DD

1092-14M55DD1106-14M55DD1190-14M55DD1260-14M55DD1288-14M55DD1344-14M55DD1400-14M55DD1442-14M55DD1568-14M55DD1610-14M55DD1750-14M55DD1764-14M55DD1778-14M55DD1848-14M55DD1890-14M55DD1904-14M55DD1960-14M55DD2100-14M55DD2240-14M55DD2310-14M55DD2380-14M55DD2450-14M55DD2590-14M55DD2660-14M55DD2800-14M55DD2968-14M55DD3150-14M55DD3360-14M55DD3500-14M55DD3850-14M55DD3920-14M55DD4326-14M55DD4578-14M55DD4956-14M55DD

0.520.540.590.600.640.680.700.730.760.780.850.870.950.960.961.001.021.031.061.141.211.251.291.331.401.441.521.611.711.821.902.092.122.342.482.68

966-14M85DD994-14M85DD

1092-14M85DD1106-14M85DD1190-14M85DD1260-14M85DD1288-14M85DD1344-14M85DD1400-14M85DD1442-14M85DD1568-14M85DD1610-14M85DD1750-14M85DD1764-14M85DD1778-14M85DD1848-14M85DD1890-14M85DD1904-14M85DD1960-14M85DD2100-14M85DD2240-14M85DD2310-14M85DD2380-14M85DD2450-14M85DD2590-14M85DD2660-14M85DD2800-14M85DD2968-14M85DD3150-14M85DD3360-14M85DD3500-14M85DD3850-14M85DD3920-14M85DD4326-14M85DD4578-14M85DD4956-14M85DD

0.810.830.910.931.001.051.081.131.171.211.311.351.471.481.491.551.581.591.641.761.881.931.992.052.172.232.342.482.642.812.933.223.283.623.834.15

966-14M115DD994-14M115DD

1092-14M115DD1106-14M115DD1190-14M115DD1260-14M115DD1288-14M115DD1344-14M115DD1400-14M115DD1442-14M115DD1568-14M115DD1610-14M115DD1750-14M115DD1764-14M115DD1778-14M115DD1848-14M115DD1890-14M115DD1904-14M115DD1960-14M115DD2100-14M115DD2240-14M115DD2310-14M115DD2380-14M115DD2450-14M115DD2590-14M115DD2660-14M115DD2800-14M115DD2968-14M115DD3150-14M115DD3360-14M115DD3500-14M115DD3850-14M115DD3920-14M115DD4326-14M115DD4578-14M115DD4956-14M115DD

1.091.131.241.251.351.431.461.521.591.631.781.821.982.002.012.092.142.162.222.382.542.622.702.782.933.013.173.363.573.813.964.364.444.905.195.61

966-14M170DD994-14M170DD

1092-14M170DD1106-14M170DD1190-14M170DD1260-14M170DD1288-14M170DD1344-14M170DD1400-14M170DD1442-14M170DD1568-14M170DD1610-14M170DD1750-14M170DD1764-14M170DD1778-14M170DD1848-14M170DD1890-14M170DD1904-14M170DD1960-14M170DD2100-14M170DD2240-14M170DD2310-14M170DD2380-14M170DD2450-14M170DD2590-14M170DD2660-14M170DD2800-14M170DD2968-14M170DD3150-14M170DD3360-14M170DD3500-14M170DD3850-14M170DD3920-14M170DD4326-14M170DD4578-14M170DD4956-14M170DD

1.621.661.831.851.992.112.162.252.342.412.632.702.932.952.983.093.163.193.283.523.753.873.994.104.344.454.694.975.275.635.866.456.567.247.678.30

Wt kg

170mm Wide Belt

Cat. No.

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:50 Page 16

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INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

17

.006

.008

.010

.012

.010

.012

.014

.016

.018

.020

.027

.030

.038

.045

.060

.075

.095

.103

.150

.210

PulleyType

CatalogueNo.

No.Teeth

Z

Pitch CircleDiameter

dp

HTD Timing Pulleys - 3M Belts

Cross & Morse HTD Pulleys are manufactured to close tolerances to ensure concentric running, and have precision generatedgear teeth to match the high power and speed capabilities of HTD drive belts. Only high quality materials are used for pulley manufacture; aluminium being selected for 3M and larger 5M pulleys to keep weight and inertia low; all other pulleys machinedfrom medium carbon steel bar or 260 Grade cast iron and finished with zinc phosphate for corrosion protection.Standard pulleys are offered with a large range of tooth sizes in widths to suit all standard HTD belts. Pulleys for 5M, 8M and14M drives are available with parallel pilot bore for reworking to customers requirements , bored for shaft clamping elements, orwith taper bore to be combined with stock taper brushes for the complete off- the Shelf drive. Pulleys of non-standard widths or numbers of teeth can be supplied to order, or teeth can be generated on customers own blanks.Smaller pulleys are fitted with two flanges to retain the drive belt, these being identified in tables by suffix ‘F’ on pulley type. Theflanges are pressed onto pulley body and retained by spin rivetting.

EF

Belt Size

Belt Width mm

3M

9 15 9 15 25

5M 8M 14M

20 30 50 85 40 55 85 115 170

10.213.4

1720

11.914.5

17.920.5

27.930.5

2328

3338

5560

9095

4754

6370

95102

126133

180187

Min.Bore

d

MaxBore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

Approx.Weight

kg

3mm Pitch Pulleys for 9mm wide Belts. Ref. 3M0910-3M-0912-3M-0914-3M-0915-3M-0916-3M-0918-3M-0920-3M-0921-3M-0922-3M-0924-3M-0926-3M-0928-3M-0930-3M-0932-3M-0936-3M-0940-3M-0944-3M-0948-3M-0960-3M-0972-3M-09

1012141516182021222426283032364044486072

0F0F0F0F1F1F1F1F1F1F1F1F1F1F1F1F1F111

9.5511.4613.3714.3215.2817.1919.1020.0521.0122.9224.8326.7428.6530.5534.3838.2042.0245.8457.3068.75

4.04.04.04.04.06.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0

4.06.07.08.06.57.08.08.58.58.5

10.511.512.714.017.018.522.522.522.522.5

13.015.016.017.518.020.023.025.025.025.028.032.032.036.038.042.048.0

–––

10.210.210.210.212.812.812.812.812.812.812.812.812.812.813.413.413.413.413.413.4

3mm Pitch Pulleys for 15mm wide Belts. Ref. 3M15

8.810.712.613.614.516.418.319.320.322.224.126.027.929.833.637.441.345.156.568.0

17.517.517.517.520.620.620.620.620.620.620.620.620.620.622.222.222.222.222.222.2

13.015.016.017.510.011.013.013.013.013.016.018.020.022.026.028.033.033.033.033.0

.004

.006

.007

.008

.007

.008

.010

.013

.014

.016

.018

.024

.028

.032

.045

.055

.074

.074

.106

.145

3mm Pitch Pulleys for 6mm wide Belts. Ref. 3M0610-3M-0612-3M-0614-3M-0615-3M-0616-3M-0618-3M-0620-3M-0621-3M-0622-3M-0624-3M-0626-3M-0628-3M-0630-3M-0632-3M-0636-3M-0640-3M-0644-3M-0648-3M-0660-3M-0672-3M-06

1012141516182021222426283032364044486072

0F0F0F0F1F1F1F1F1F1F1F1F1F1F1F1F1F111

9.5511.4613.3714.3215.2817.1919.1020.0521.0122.9224.8326.7428.6530.5534.3838.2042.0245.8457.3068.75

4.04.04.04.04.06.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0

4.06.07.08.06.57.08.08.58.58.5

10.511.512.714.017.018.522.522.522.522.5

13.015.016.017.518.020.023.025.025.025.028.032.032.036.038.042.048.0

–––

7.27.27.27.29.89.89.89.89.89.89.89.89.89.8

10.310.310.310.310.310.3

8.810.712.613.614.516.418.319.320.322.224.126.027.929.833.637.441.345.156.568.0

14.514.514.514.517.517.517.517.517.517.517.517.517.517.518.018.018.018.618.618.6

13.015.016.017.510.011.013.013.013.013.016.018.020.022.026.028.033.033.033.033.0

.003

.005

.006

.007

.006

.007

.008

.011

.012

.014

.016

.021

.024

.028

.039

.047

.062

.062

.091

.124

10-3M-1512-3M-1514-3M-1515-3M-1516-3M-1518-3M-1520-3M-1521-3M-1522-3M-1524-3M-1526-3M-1528-3M-1530-3M-1532-3M-1536-3M-1540-3M-1544-3M-1548-3M-1560-3M-1572-3M-15

1012141516182021222426283032364044486072

0F0F0F0F1F1F1F1F1F1F1F1F1F1F1F1F1F111

9.5511.4613.3714.3215.2817.1919.1020.0521.0122.9224.8326.7428.6530.5534.3838.2042.0245.8457.3068.75

4.04.04.04.04.06.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0

4.06.07.08.06.57.08.08.58.58.5

10.511.512.714.017.018.522.522.522.522.5

8.810.712.613.614.516.418.319.320.322.224.126.027.929.833.637.441.345.156.568.0

13.015.016.017.518.020.023.025.025.025.028.032.032.036.038.042.048.0

–––

13.015.016.017.510.011.013.013.013.013.016.018.020.022.026.028.033.033.033.033.0

17.017.017.017.019.519.519.519.519.519.519.519.519.519.520.020.020.020.020.020.0

26.026.026.026.026.026.026.026.026.026.026.026.026.026.030.030.030.030.030.030.0

Type 1Material: Aluminium

Type 0FMaterial: Aluminium

dp do

F

d MA

L

d Mdp do

F

L

F

E

L

F

d MA dp do

Type 1FMaterial: Aluminium

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:50 Page 17

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INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

18

HTD Timing Pulleys - 5M BeltsPulley TypesPulley types referred to in tables areas drawings below. The suffix ‘F’indicates pulley flanges

Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shaft should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance which willcause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 10 for additional on drive installation.

12-5M-2514-5M-2515-5M-2516-5M-2518-5M-2520-5M-2521-5M-2522-5M-2524-5M-2526-5M-2528-5M-2530-5M-2532-5M-2536-5M-2540-5M-25

44-5M-2548-5M-2560-5M-2572-5M-25

121415161820212224262830323640

44486072

19.1022.2823.8725.4628.6531.8333.4235.0138.2041.3844.5647.7550.9357.3063.66

70.0376.3995.49

114.59

4.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0

8.08.08.08.0

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F

2222

78

10111314151618202024262626

26303030

18.021.122.724.327.530.732.333.937.140.243.446.649.856.262.5

68.975.394.4

113.5

20.520.520.520.520.520.520.520.520.520.520.520.520.520.520.5

20.520.520.520.5

26.026.026.026.026.026.026.026.028.028.028.028.028.028.028.0

30.030.030.030.0

12.013.016.016.520.023.024.025.527.030.030.535.038.038.038.0

38.045.045.045.0

_______________

546180

100

.034

.046

.056

.064

.086

.112

.130

.140

.180

.220

.250

.300

.350

.426

.520

.225

.187

.305

.375

23.025.028.028.032.036.038.038.042.044.048.051.054.060.070.0

____

12-5M-1514-5M-1515-5M-1516-5M-1518-5M-1520-5M-1521-5M-1522-5M-1524-5M-1526-5M-1528-5M-1530-5M-1532-5M-1536-5M-1540-5M-15

44-5M-1548-5M-1560-5M-1572-5M-15

CatalogueNo.

12-5M-0914-5M-0915-5M-0916-5M-0918-5M-0920-5M-0921-5M-0922-5M-0924-5M-0926-5M-0928-5M-0930-5M-0932-5M-0936-5M-0940-5M-09

44-5M-0948-5M-0960-5M-0972-5M-09

All dimensions in mm. Other sizes of Pulleys can be supplied on short delivery. Pulleys can be supplied bored and keywayed.For Taper Bore Pulleys see page 21.

No.Teeth

ZPulleyType

Pitch CircleDiameter

dp

Min.Bore

d

MaxBore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

Approx.Weight

kg

RimDiameter

N

5mm Pitch Pulleys for 9mm wide Belts. Ref. 5M09

5mm Pitch Pulleys for 15mm wide Belts. Ref. 5M15

121415161820212224262830323640

44486072

19.1022.2823.8725.4628.6531.8333.4235.0138.2041.3844.5647.7550.9357.3063.66

70.0376.3995.49

114.59

4.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0

8.08.08.08.0

23.025.028.028.032.036.038.038.042.044.048.051.054.060.070.0

____

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F

2222

78

10111314151618202024262626

26263030

18.021.122.724.327.530.732.333.937.140.243.446.649.856.262.5

68.975.394.4

113.5

14.514.514.514.514.514.514.514.514.514.514.514.514.514.514.5

14.514.514.514.5

20.020.020.020.020.022.522.522.522.522.522.522.522.522.522.5

25.525.525.525.5

12.013.016.016.520.023.024.025.527.030.030.535.038.038.038.0

38.045.045.045.0

_______________

546180

100

.028

.034

.042

.050

.070

.094

.110

.118

.145

.170

.200

.236

.270

.324

.400

.170

.182

.230

.270

5mm Pitch Pulleys for 25mm wide Belts. Ref. 5M25

121415161820212224262830323640

44486072

19.1022.2823.8725.4628.6531.8333.4235.0138.2041.3844.5647.7550.9357.3063.66

70.0376.3995.49

114.59

4.06.06.06.06.06.06.06.06.06.06.06.08.08.08.0

8.08.08.08.0

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F

2222

78

10111314151618202024262626

26303030

18.021.122.724.327.530.732.333.937.140.243.446.649.856.262.5

68.975.394.4

113.5

30.530.530.530.530.530.530.530.530.530.530.530.530.530.530.5

30.530.530.530.5

36.036.036.036.036.036.038.038.038.038.038.038.038.038.038.0

40.040.040.040.0

12.013.016.016.520.023.024.025.527.030.030.535.038.038.038.0

38.045.045.045.0

–––––––––––––––

546180

100

0.500.700.80.100.120.160.180.210.250.300.350.420.485.595.745

.320

.275

.435

.525

23.025.028.028.032.036.038.038.042.044.048.051.054.060.070.0

____

L

F

d MA dp do

FL

dodp N d M

Type 2Material: Aluminium

Type 1FMaterial: Steel

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:50 Page 18

Page 21: Timing Belt Catalogue - opis.czopis.cz/cross-morse/pdf/Timing Belt Online Catalogue-2010.pdf · INDEX BACK NEXT Timing Belt Drives 2 Cross & Morse Timing Belt Drives take their place

INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

19

*Non-stock items, manufactured to customer order only. All dimensions in mm.Standard Pulleys can be reworked to customers bore and keyway requirements

105105105105105105105105105105105105105

9595

959595959595

P22-8M-50P24-8M-50P26-8M-50P28-8M-50P30-8M-50P32-8M-50P34-8M-50P36-8M-50P38-8M-50P40-8M-50P44-8M-50P48-8M-50P56-8M-50P64-8M-50P72-8M-50

P80-8M-50P90-8M-50

P112-8M-50P144-8M-50P168-8M-50P192-8M-50

P22-8M-85P24-8M-85P26-8M-85P28-8M-85P30-8M-85P32-8M-85P34-8M-85P36-8M-85P38-8M-85P40-8M-85P44-8M-85P48-8M-85P56-8M-85P64-8M-85P72-8M-85

P80-8M-85P90-8M-85

P112-8M-85P144-8M-85P168-8M-85P192-8M-85

Approx.Weight

kg

P22-8M-20P24-8M-20P26-8M-20P28-8M-20P30-8M-20P32-8M-20P34-8M-20P36-8M-20P38-8M-20P40-8M-20P44-8M-20P48-8M-20P56-8M-20P64-8M-20P72-8M-20

P80-8M-20P90-8M-20

P112-8M-20P144-8M-20P168-8M-20P192-8M-20

CatalogueNo.

Plain Bore Pulleys 8M Belts

Pulley TypesThe Pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Pulley below dividing line in tables are manufactured in cast iron. Pulleys 112 teeth(80 teeth on 8M-85) and aboveincorporate lightening holes indesign.

No.Teeth

Z

PulleyType

PitchCircle

Diameterdp

Min.Bore

d

MaxBore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

RimDiameter

N

222426283032343638404448566472

8090

112144168192

1F1F1F1F1F1F1F1F1F1F1F1F2F2F2F

222222

56.0261.1266.2171.3076.3981.4986.5891.6796.77

101.86112.05122.23142.60162.97183.35

203.72229.18285.21366.69427.81488.92

121212151515151515151515151515

151518202020

293032343640465050505050545454

545454546060

54.759.864.970.175.180.285.290.395.4

100.5110.7120.9141.2161.6182.0

202.4227.8283.8365.3426.4487.6

6066707583879197

102106120128150168192

––––––

383838383838383838383838383838

383838383838

282828282828282828282828282828

282828282828

434548505560707575757575808080

90909090

100100

____________

116137158

180204254336400460

0.540.650.800.871.021.201.401.551.651.742.102.442.602.903.10

3.804.205.207.50

10.0014.40

222426283032343638404448566472

8090

112144168192

1F1F1F1F1F1F1F1F1F1F1F1F2F2F2F

222222

56.0261.1266.2171.3076.3981.4986.5891.6796.77

101.86112.05122.23142.60162.97183.35

203.72229.18285.21366.69427.81488.92

121212151515151515151515151515

151518202020

293032343640465050505050606063

606060606060

54.759.864.970.175.180.285.290.395.4

100.5110.7120.9141.2161.6182.0

202.4227.8283.8365.3426.4487.6

6066707583879197

102106120128150168192

––––––

383838383838383838383838383838

383838383838

434548505560707575757575909095

100100100100100100

____________

116137158

180204254336400460

0.690.841.001.121.321.531.801.992.272.402.803.203.604.304.80

5.105.706.809.30

11.4016.00

P22-8M-30P24-8M-30P26-8M-30P28-8M-30P30-8M-30P32-8M-30P34-8M-30P36-8M-30P38-8M-30P40-8M-30P44-8M-30P48-8M-30P56-8M-30P64-8M-30P72-8M-30

P80-8M-30P90-8M-30

P112-8M-30P144-8M-30P168-8M-30P192-8M-30

484848484848484848484848484848

484848484848

222426283032343638404448566472

8090

112144168192

1F1F1F1F1F1F1F1F1F1F1F1F3F3F3F

333333

56.0261.1266.2171.3076.3981.4986.5891.6796.77

101.86112.05122.23142.60162.97183.35

203.72229.18285.21366.69427.81488.92

293032343640444650505054606767

666666667278

54.759.864.970.175.180.285.290.395.4

100.5110.7120.9141.2161.6182.0

202.4227.8283.8365.3426.4487.6

6066707583879197

102106120128150168192

––––––

606060606060606060606060606060

606060606060

707070707070707070707070606060

606060606060

121215151515151515181818181818

181818202020

43454850556066707575758090

100100

110110110110120130

____________

116137158

180204254336400460

1.001.231.501.671.972.272.692.973.233.503.904.305.005.606.80

6.908.609.60

13.8016.0022.40

222426283032343638404448566472

8090

112144168192

56.0261.1266.2171.3076.3981.4986.5891.6796.77

101.86112.05122.23142.60162.97183.35

203.72229.18285.21366.69427.81488.92

293032343640444650505054546767

666666667278

54.759.864.970.175.180.285.290.395.4

100.5110.7120.9141.2161.6182.0

202.4227.8283.8365.3426.4487.6

6066707583879197

102106120128150168192

––––––

959595959595959595959595959595

959595959595

121212151515151515181818182020

202024242424

43454850556066707575758090

100100

110110110110120130

_____________

137158

180204254336400460

1.551.902.252.553.003.574.004.505.005.206.607.00

10.0010.4011.40

11.1012.2015.0021.5024.1030.60

1F1F1F1F1F1F1F1F1F1F1F1F1F3F3F

333333

8mm Pitch Pulleys for 85mm wide Belts. Ref. 8M85

8mm Pitch Pulleys for 50mm wide Belts. Ref. 8M50

8mm Pitch Pulleys for 30mm wide Belts. Ref. 8M30

8mm Pitch Pulleys for 20mm wide Belts. Ref. 8M20

Type 3/3FMaterial: Steel or Cast Iron

Type 1FMaterial: Steel

L

F

d MA dodp

F/L

d MA dodp NType 2/2F

Material: Steel or Cast Iron

L

F

d MA dodp N

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:51 Page 19

Page 22: Timing Belt Catalogue - opis.czopis.cz/cross-morse/pdf/Timing Belt Online Catalogue-2010.pdf · INDEX BACK NEXT Timing Belt Drives 2 Cross & Morse Timing Belt Drives take their place

INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

20

283032343638404864

8090

112144192

4.735.456.176.887.608.289.26

10.32

11.5013.0514.4016.9018.5020.0026.7035.0044.2052.20

CatalogueNo.

No.Teeth

ZPulleyType

PitchCircle

Dia. dp

Max.Bore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

RimDiameter

N

ApproxWeight

kg

P28-14M-40P30-14M-40P32-14M-40P34-14M-40P36-14M-40P38-14M-40P40-14M-40P44-14M-40

P48-14M-40P56-14M-40P64-14M-40P72-14M-40P80-14M-40P90-14M-40

P112-14M-40P144-14M-40P168-14M-40P192-14M-40

Min.Bore

d

14mm Pitch Pulleys for 40mm Wide Belts. Ref. 14M40

14mm Pitch Pulleys for 55mm Wide Belts. Ref. 14M55

2830323436384044

485664728090

112144168192

1F1F1F1F1F1F1F1F

2F2F2F2222222

124.78133.69142.60151.52160.43169.34178.25196.08

213.90249.55285.21320.86356.51401.07499.11641.71748.66855.62

2424242424242424

24282828282828282828

6767676767808080

82828282828282828282

122.1131.0139.9148.8157.7166.6175.5193.3

211.1246.8282.4318.1353.7398.3496.3638.9745.9852.8

128138154160168184188212

226256296_______

5454545454545454

54545454545454545454

6969696969696969

69696969696969696969

100100100100100120120120

135135135135135135135135135135

________

170207240278314358456600706813

P28-14M-55P30-14M-55P32-14M-55P34-14M-55P36-14M-55P38-14M-55P40-14M-55P44-14M-55

P48-14M-55P56-14M-55P64-14M-55P72-14M-55P80-14M-55P90-14M-55

P112-14M-55P144-14M-55P168-14M-55P192-14M-55

2830323436384044

485664728090

112144188192

1F1F1F1F1F1F1F1F

3F3F3F3333333

124.78133.69142.60151.52160.43169.34178.25196.08

213.90249.55285.21320.86356.51401.07499.11641.71748.66855.62

2424242424242424

24282828282828282828

6767676767808080

82828282828282828282

122.1131.0139.9148.8157.7166.6175.5193.3

211.1246.8282.4318.1353.7398.3496.3638.9745.9852.8

128138154160168184188212226

256296_______

7070707070707070

70707070707070707070

8585858585858585

70707070707070707070

100100100100100120120120

135135135135135135135135135135

________

170207240278314358456600706813

5.606.607.608.609.60

10.8011.2012.50

13.7014.5015.6016.9020.0022.6029.5039.0048.5057.80

14mm Pitch Pulleys for 85mm Wide Belts. Ref. 14M85

P28-14M-85P30-14M-85P32-14M-85P34-14M-85P36-14M-85P38-14M-85P40-14M-85P44-14M-85P48-14M-85

P56-14M-85P64-14M-85P72-14M-85P80-14M-85P90-14M-85

P112-14M-85P144-14M-85P168-14M-85P192-14M-85

283032343638404448

5664728090

112144168192

1F1F1F1F1F1F1F1F1F

3F3F3333333

124.78133.69142.60151.52160.43169.34178.25196.08213.90

249.55285.21320.86356.51401.07499.11641.71748.66855.62

6767676767809090

100

9090909090909090

100

242424242432323232

323232323232323232

_________

207240278314358456600706813

7.709.10

10.5011.9013.2015.1517.1023.3025.00

25.0030.5028.8030.1033.0041.8052.4060.3070.20

122.1131.0139.9148.8157.7166.6175.5193.3211.1

246.8282.4318.1353.7398.3496.3638.9745.9852.8

128138154160168184188212

226256296_______

102102102102102102102102102

102102102102102102102102102

117117117117117117117117117

102102102102102102102102102

100100100100100120135135150

150150150150150150150150165

14mm Pitch Pulleys for 115mm Wide Belts. Ref. 14M115

128138154160168184188212226256

296_______

P28-14M-115P30-14M-115P32-14M-115P34-14M-115P36-14M-115P38-14M-115P40-14M-115P44-14M-115P48-14M-115P56-14M-115

P64-14M-115P72-14M-115P80-14M-115P90-14M-115

P112-14M-115P144-14M-115P168-14M-115P192-14M-115

28303234363840444856

64728090

112144168192

1F1F1F1F1F1F1F1F1F1F

3F3333333

124.78133.69142.60151.52160.43169.34178.25196.08213.90249.55

285.21320.86356.51401.07499.11641.71748.66855.62

6767676767809094

100100

9090909090

100100100

32323232323232323232

3232323232323232

122.1131.0139.9148.8157.7166.6175.5193.3211.1246.8

282.4318.1353.7398.3496.3638.9745.9852.8

133133133133133133133133133133

133133133133133133133133

148148148148148148148148148148

133133133133133133133133

100100100100100120135140150150

150150150150150165165165

__________

240278314358456600706813

9.2011.2013.2014.8016.6018.2020.5621.9325.0027.50

30.1032.8335.5541.0054.4067.8075.8088.30

14mm Pitch Pulleys for 170mm Wide Belts. Ref. 14M170

128138154160168183188226296

–––––

1F1F1F1F1F1F1F1F3F

33333

124.78133.69142.60151.52160.43169.34178.25213.90285.21

356.51401.07499.11641.71855.62

676767678090909090

108108108108108

323232323232323232

3232323232

122.1131.0139.9148.8157.7166.6175.5211.1282.4

353.7398.3496.3638.9852.8

187187187187187187187187187

187187187187187

202202202202202202202202202

187187187187187

100100100100120135140150150

180180200220220

––––––––

240

314358456600813

14.8016.7019.4021.8525.2028.4032.2639.5054.00

69.4071.3088.00

113.00140.00

P28-14M-170P30-14M-170P32-14M-170P34-14M-170P36-14M-170P38-14M-170P40-14M-170P48-14M-170P64-14M-170

P80-14M-170P90-14M-170

P112-14M-170P144-14M-170P192-14M-170

Plain Bore Pulleys 14M Belts

Pulley TypesThe pulley types referred to intables are as drawings below.Suffix ‘F’ indicates pulley hasflanges. Pulleys below dividing line in tables are manufactured in cast iron, unflanged pulleysincorporate lightening holes indesign, except P80-14M-170.Std. Pulleys can be reworked tocustomers bore and keywayrequirements.

All dimensions in mm.Standard Pulleys can be reworked to customers bore and keyway requirements.

Type 1FMaterial: Steel

L

F

d MA dodp

Type 2/2FMaterial: Steel or Cast Iron

L

F

d MA dodp N

F/L

Type 3/3FMaterial: Cast Iron

d MA dodp N

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:51 Page 20

Page 23: Timing Belt Catalogue - opis.czopis.cz/cross-morse/pdf/Timing Belt Online Catalogue-2010.pdf · INDEX BACK NEXT Timing Belt Drives 2 Cross & Morse Timing Belt Drives take their place

INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

21

Taper Bore Pulleys forHTD Size 5M & 8M Belts

Pulley TypesThe pulley types referred to intables are as drawingsfollowing. Suffix ‘F’ indicatespulley has flanges. Pulleysbelow dividing lines in tablesare manufactured in Cast Iron,and pulleys over 300mmdiameter generally havelightening holes in web.

CatalogueNo.

5mm Pitch Pulleys for 15mm Wide Belt Ref. 5M15

8mm Pitch Pulleys for 20mm Wide Belt Ref. 8M20

8mm Pitch Pulleys for 30mm Wide Belt Ref. 8M30

8mm Pitch Pulleys for 50mm Wide Belt Ref. 8M50

8mm Pitch Pulleys for 85mm Wide Belt Ref. 8M85

No.Teeth

ZPulleyType

PitchCircle

Dia. dp

TaperBushRef.

Max.Bore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

RimDiameter

N

ApproxWeight

kg

34-5M-1536-5M-1538-5M-1540-5M-1544-5M-1548-5M-1556-5M-1564-5M-1572-5M-1580-5M-1590-5M-15

112-5M-15136-5M-15

3436384044485664728090

112136

9F9F9F 9F9F8F 8F 8F88887

54.1157.3060.4863.6670.0376.3989.13

101.86114.59127.32143.24178.25216.45

53.056.259.462.568.975.387.9

100.7113.5126.2142.1177.1215.3

1008110811081108110812101210121016101610161020122012

25282828283232324242425050

22222222222222222222222020

22222222222525252525253232

–––––597080929292

110110

––––––––––––

199

0.230.230.290.380.480.500.660.851.251.702.253.203.60

57606670758393

106–––––

22-8M-2024-8M-2026-8M-2028-8M-2030-8M-2032-8M-2034-8M-2036-8M-2038-8M-2040-8M-2044-8M-2048-8M-2056-8M-2064-8M-2072-8M-20

222426283032343638404448566472

5F5F5F5F5F 5F5F5F 5F 5F8F8F8F

11F11F

56.0261.1266.2171.3076.3981.4986.5891.6796.77

101.86112.05122.23142.60162.97183.35

54.759.864.970.175.180.285.290.395.4

100.5110.7120.9141.2161.6182.0

110811081108110811081610161016101610161020122012201220122012

282828282842424242425050505050

282828282828282828282828282828

222222222225252525253232323232

––––––––––9396

110110110

37444550586364687276–––

137158

0.260.300.360.440.530.420.550.680.801.001.201.602.402.703.30

6066707583879197

102106120128150168192

80-8M-2090-8M-20

8090

1111

203.72229.18

202.4227.8

20122012

5050

2828

3232

110110

180204

3.503.65

––

28-8M-5030-8M-5032-8M-5034-8M-5036-8M-5038-8M-5040-8M-5044-8M-5048-8M-5056-8M-5064-8M-5072-8M-50

283032343638404448566472

13F5F 5F5F5F 5F

13F13F13F13F13F12F

71.3076.3981.4986.5891.6796.77

101.86112.05122.23142.60162.97183.35

70.175.180.285.290.395.4

100.5110.7120.9141.2161.6182.0

121016151615161516151615201220122012251725172517

324242424242505050606060

606060606060606060606060

253838383838323232454545

–––––––––––

125

505862656872829195

116137158

0.600.650.821.061.301.601.711.782.303.405.006.70

7583879197

102106120128150168192

80-8M-5090-8M-50

112-8M-50144-8M-50168-8M-50192-8M-50

8090

112144168192

13121212

77

203.72229.18285.21366.69427.81488.92

202.4227.8283.8365.3426.4487.6

302030203020302035253525

757575759090

606060606060

515151516565

–170170170198198

180204260341402460

8.8010.0012.0015.2017.5024.00

–––– ––

34-8M-8536-8M-8538-8M-8540-8M-8544-8M-8548-8M-8556-8M-8564-8M-8572-8M-85

343638404448566472

13F13F13F13F13F13F13F13F13F

86.5891.6796.77

101.86112.05122.23142.60162.97183.35

85.290.395.4

100.5110.7120.9141.2161.6182.0

161516151615201220122517251725173020

424242505060606075

959595959595959595

383838323245454551

–––––––––

6568728291

100117137158

1.431.872.201.802.302.664.456.208.00

9197

102106120128150168192

80-8M-8590-8M-85

112-8M-85144-8M-85168-8M-85192-8M-85

8090

112144168192

131212121212

203.72229.18285.21366.69427.81488.92

202.4227.8283.8365.3426.4487.6

302030203020352535253525

757575909090

959595959595

515151656565

–170170198198198

180204260336395455

10.0010.8015.0020.0022.0026.00

–––– ––

For bore sizes of Taper Bushes for above pulleys refer to page 25. Pulleys are also available with pilotbore ref. pages 17-20. All dimensions in mm.

22-8M-3024-8M-3026-8M-3028-8M-3030-8M-3032-8M-3034-8M-3036-8M-3038-8M-3040-8M-3044-8M-3048-8M-3056-8M-3064-8M-3072-8M-30

222426283032343638404448566472

5F5F5F5F9F 9F9F9F 9F 9F

13F13F13F8F

11F

56.0261.1266.2171.3076.3981.4986.5891.6796.77

101.86112.05122.23142.60162.97183.35

54.759.864.970.175.180.285.290.395.4

100.5110.7120.9141.2161.6182.0

110811081108121016151615161516151615161520122012201225172517

282828324242424242425050506060

383838383838383838383838383838

222222253838383838383232324545

–––––––––––––

125125

37444450––––––8690

110–

158

0.320.380.450.500.550.590.770.961.151.341.331.783.764.204.30

6066707583879197

102106120128150168192

80-8M-3090-8M-30

112-8M-30144-8M-30

8090

112144

11111111

203.72229.18285.21366.69

202.4227.8283.8365.3

2517251725172517

60606060

38383838

45454545

125125125125

180204254336

4.605.006.209.00

––––

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Type 11/11F

dp do

L

F

A M N

dp do

F/L

M N

dp do

L

F

A M N

do

F

L

A AN

All dimensions in mm.For 14M170 belt drives a standard range of pilot bore pulleys is available, ref page 20, alternativelytaper bore sprockets can be manufactured to order, for details of recommended dimensions contactCross & Morse Technical Department. For bore sizes of Taper Bushes refer to page 25.* Non-stock items manufactured to customer order only.

9498

108110120130138155170

208240280315360457600706813

ApproxWeight

kg

RimDiameter

N

Taper Bore Pulleys forHTD Size 14M BeltsPulley TypesThe pulley types referred to intables are as drawings following. Suffix ‘F’ indicates pulley has flanges. Pulleys below dividing lines in tables are manufactured in Cast iron, and pulleys over 350mmdiameter generally havelightening holes in web.

28-14M-8530-14M-8532-14M-8534-14M-8536-14M-8538-14M-8540-14M-8544-14M-8548-14M-85

56-14M-8564-14M-8572-14M-8580-14M-8590-14M-85

112-14M-85144-14M-85168-14M-85192-14M-85

28-14M-4030-14M-4032-14M-4034-14M-4036-14M-4038-14M-4040-14M-4044-14M-4048-14M-40

56-14M-4064-14M-4072-14M-4080-14M-4090-14M-40

112-14M-40144-14M-40168-14M-40192-14M-40

CatalogueNo.

No.Teeth

Z

PulleyType

PitchCircle

Dia. dp

Max.Bore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

TaperBushRef.

14mm Pitch Pulleys for 40mm Wide Belts. Ref. 14M40

14mm Pitch Pulleys for 55mm Wide Belts. Ref. 14M55

283032343638404448

5664728090

112144168192

13F13F13F13F13F13F13F13F13F

12F12F12121212121212

124.78133.69142.60151.52160.43169.34178.25196.08213.90

249.55285.21320.86356.51401.07499.11641.71748.66855.62

201220122012251725172517251730203020

302030203020302030203020302030203020

505050606060607575

757575757575757575

122.1131.0139.9148.8157.7166.6175.5193.3211.1

246.8282.4318.1353.7398.3496.3638.9745.9852.8

128138154160168184188212226

256296–––––––

545454545454545454

545454545454545454

2.072.653.403.874.805.406.007.809.40

10.8013.4015.2016.0017.8025.6032.0044.0049.00

323232454545455151

515151515151515151

–––––––––

170170170170170170170170170

28-14M-5530-14M-5532-14M-5534-14M-5536-14M-5538-14M-5540-14M-5544-14M-5548-14M-55

56-14M-5564-14M-5572-14M-5580-14M-5590-14M-55

112-14M-55144-14M-55168-14M-55192-14M-55

283032343638404448

5664728090

112144168192

13F13F13F13F13F13F13F13F13F

12F12F12121212121212

124.78133.69142.60151.52160.43169.34178.25196.08213.90

249.55285.21320.86356.51401.07499.11641.71748.66855.62

201225172517251725172517251730203020

302030203020302030203020302030203020

506060606060607575

757575757575757575

122.1131.0139.9148.8157.7166.6175.5193.3211.1

246.8282.4318.1353.7398.3496.3638.9745.9852.8

128138154160168184188212226

256296–––––––

707070707070707070

707070707070707070

324545454545455151

515151515151515151

–––––––––

170170170170170170170170170

94100108110120130138155170

208240280315360457600706813

2.202.703.604.555.206.207.008.60

10.40

12.4014.5016.2017.5020.1028.4036.2049.0053.00

14mm Pitch Pulleys for 85mm Wide Belts. Ref. 14M85

283032343638404448

5664728090

112144168192

13F13F13F13F13F13F13F13F13F

13F12F12121212121210

124.78133.69142.60151.52160.43169.34178.25196.08213.90

249.55285.21320.86356.51401.07499.11641.71748.66855.62

251725172517251730203020302030203020

352535253525352535253525352535254040

606060607575757575

9090909090909090

100

122.1131.0139.9148.8157.7166.6175.5193.3211.1

246.8282.4318.1353.7398.3496.3638.9745.9852.8

128138154160168184188212226

256296–––––––

102102102102102102102102102

102102102102102102102102102

454545455151515151

6565656565656565

102

–––––––––

–190190190190190190190230

98100108110120130138153170

210240280315360457600706813

2.703.754.806.006.336.808.00

11.8015.10

19.0023.0025.0026.0027.8036.5048.0060.0086.00

14mm Pitch Pulleys for 115mm Wide Belts. Ref. 14M115

28-14M-11530-14M-11532-14M-11534-14M-11536-14M-11538-14M-11540-14M-11544-14M-11548-14M-115

56-14M-115*64-14M-115*72-14M-115

80-14M-11590-14M-115

112-14M-115144-14M-115168-14M-115192-14M-115

283032343638404448

5664728090

112144168192

13F13F13F13F13F13F13F13F13F

13F12F12121212121212

124.78133.69142.60151.52160.43169.34178.25196.08213.90

249.55285.21320.86356.51401.07499.11641.71748.66855.62

251725172517251730203020302030303030

353535353535353535353535404040404040

606060607575757575

909090909090

100100100

122.1131.0139.9148.8157.7166.6175.5193.3211.1

246.8282.4318.1353.7398.3496.3638.9745.9852.8

128138154160168184188212226

256296–––––––

133133133133133133133133133

133133133133133133133133133

454545455151517676

898989898989

102102102

–––––––––

–190190190190190230230230

98100108110125130138155170

208240280315360457600706813

3.775.006.808.008.408.709.20

14.0017.10

24.8027.0029.0032.0036.5046.0068.0082.6096.00

Type 13/13F

Type 12/12F

Type 10

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Special Belts

Cleated belts

All belts made in thermoplastic polyurethane can be fitted withcleats welded on the backside.

The cleats are welded with an high frequency vibration system,in order to obtain a perfect result without any glue.

Special belts can be manufactured in a standard or coated condition to customer’s specific requirements. Belts with punched holesand punched rectangular slots according to customer design for most packaging machines are also available.

Special moulded belts

Different kinds of coating material (foamed or vulcanisedpolyurethane, natural or synthetic rubber, silicon) available onextruded or moulded belts.

Polyurethane and rubber moulded belts with Special GreyNEOPRENE coating

Vacuum Applications

Classical moulded belt for vacuum applications which createlittle noise, available with tenax, linatex or yellow P.U. coating

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Taper Bushes

Taper bushes provide a low cost, simple, quick method ofsecuring sprocket, pulleys and couplings to a wide range ofstandard metric and imperial dimensioned shafts of generalcommercial tolerances and finish.The taper surfaces on the bush and mating hub are driventogether by high tensile screws, causing the split bush to befirmly contracted onto the shaft. The strong clamping forcewhich can be achieved enables transmission of high torquewithout the problems of fretting associated with simplekeyseated drives.The design ensures quick, easy installation of sprockets andpulleys onto shafts with simple positioning for alignment.Positive jacking-off of the bush during removal ensures quickdisassembly without normal problems of seizure between shaftand pulley. The standard bushes shown opposite are suitablefor taper bore pulleys shown on pages 35-36.

1. Remove protective coating from the bore and outside bush, and bore of hub. After ensuring the mating tapered surfaces are completely clean, insert bush in hub so thatholes line up.

2. Oil thread and point of grub screws, or thread and under head of cap screws. Place screws loosely in holes threaded in hub, shown thus in diagram.

3. Clean shaft and fit hub and bush to shaft. Locate inposition, remembering bush will nip the shaft first and then hub will be drawn on to the bush.

4. Using a hexagon wrench tighten screws gradually and alternately until all are pulled up very tightly. Use a piece of pipe on wrench to increase leverage.

5. When a key is not used, hammer against large end of bushusing a block or sleeve to prevent damage. Screws will now turn a little more. Repeat this alternate hammering and screw tightening once or twice. After drive has run under load for a short time, check tightness of screws.

6. If a key is to be fitted, do so after the bush has beentightened on to the shaft, and then fit a parallel key that is side fitting with top clearance.

7. Fill empty holes with grease to exclude dirt.

Instructions - Installation and Removal

Installation1. Slacken all screws by several turns, remove one or two

according to number of jacking off holes thus in diagram. Insert screws in jacking off holes after oiling thread and point of grub screws or thread under headof cap screws.

2. Tighten screws alternately until bush is loosened in hub and assembly is free on the shaft.

3. Remove assembly from shaft.

Removal

It is recommended that a key should be fitted with bushes in rigid and flexible couplings, timing belt and chain drives, andwherever loads of a heavy pulsating nature are encountered. All keyways are parallel keyways to British Standard 4235 Part 1 : 1972for metric dimensional shafts, or British Standard 46 Part 1 : 1958 for imperial dimensional shafts, with the exception of thosemarked* in the tables which are slightly shallower. Where a key is used it should be parallel type with side fitting and topclearance.It is not recommended to use taper bushes with maximum or minimum bore sizes on drives where high shock loads may beencountered.

Installation and Design Recommendations

Bush with 2 Grub Screws(Sizes 1008-3030)

Bush with 3 Grub Screws(Sizes 3535 and above)

24

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5050 14 127 178 3

7/8”x

21/4” B.S.W.

17

70 7580 8590 95

100 105 110115 120 125

20 4.9 23/4 3 3/41/4

22 5.4 31/4 31/27/8

5/16

25 5.4 33/4 4 1 3/8

28 6.4 41/4 41/2 43/4 11/47/16

32 7.4 5 11/45/16*

Taper BushesBush Dimensions

BushNo.

Approx.Weight

kg

Bush Dimensions

Lengthmm

o.d.large endof taper

mm No. Screw SizeKeySIzemm

Grub Screws

Metric Bore Bushes Imperial Bore Sizes

Bore sizesavailable

mm Width Depth atCentre

Bore sizesavailable

inches

KeywayInches

Width Depth atSide

Keyway mm

1008 0.11 22.2 35 2

1108 0.12 22.2 38 2

1210 0.23 25.4

1215 0.35 38.1

1610 0.35 25.4

1615 0.45 38.1

2012 0.68 31.8

2517 1.5 44.5

2525 1.9 63

3020 2.7 50.8

3030 3.6 76

3525 4.0 63

3535 5.0 89

4030 6.5 76

4040 7.7 102

4535 8 89

4545 10 114

5040 12 102

48 2

57 2

70 2

86 2

108 2

127 3

146 3

162 3

1/4”x

1/2” B.S.W.

1/4”x

1/2” B.S.W.

3/8”x

5/8” B.S.W.

7/16”x

7/8” B.S.W.

3/8”x

5/8” B.S.W.

1/2”x

1” B.S.W.

5/8”x

11/4” B.S.W.

1/2”x

11/2” B.S.W.

5/8”x

13/4” B.S.W.

3/4”x

2” B.S.W.

3

3

5

5

6

6

8

10

12

14

9 1011 12

14 1618 19 20 22

24 25

9 1011 12

14 1618 19 20 22

24 2528

11 1214 1618 19 20 2224 25 28 30

32

14 1618 19 20 2224 25 28 3032 35 38

40 42(1615 only) 42

14 15 1618 19 20 2224 25 28 3032 35 38

40 4245 48 50

19 20 2224 25 28 3032 35 38

40 4245 48 50

5560 65†

25 28 3032 35 38

40 4245 48 50

5560 6570 75

32 35 3840 42

45 48 5055

60 6570 7580 85

90

40 4245 48 50

5560 6570 7580 8590 95

100

5560 6570 7580 8590 95

100 105 110

3 1.4 3/81/2

1/81/16

4 1.8 5/83/4

3/163/32

5 2.3 7/81/4

1/8

6 2.8 1 1/41/16*

8 1.3**

3 1.4 3/81/2

1/81/16

4 1.8 5/83/4

3/163/32

5 2.3 7/8 1 1/41/8

6 2.8 11/85/16

5/64*8 3.38 1.3**

4 1.8 1/21/8

1/16

5 2.3 5/83/4

3/163/32

6 2.8 7/8 1 1/41/8

8 3.3 11/8 11/45/16

1/8

10 3.3

5 2.3 1/21/8

1/16

6 2.8 5/83/4

3/163/32

8 3.3 7/8 1 1/41/8

10 3.3 11/8 11/45/16

1/8

12 3.3 13/8 11/23/8

1/8

12 1.3** 15/87/16

1/8*

5 2.3 3/43/16

3/32

6 2.8 7/8 1 1/41/8

8 3.3 11/8 11/45/16

1/8

10 3.3 13/8 11/23/8

1/8

12 3.3 15/8 13/47/16

5/32

14 3.8 17/8 2 1/25/32

6 2.8 7/8 1 1/41/8

8 3.3 11/8 11/45/16

1/8

10 3.3 13/8 11/23/8

1/8

12 3.8 15/8 13/47/16

5/32

14 3.8 17/8 2 1/25/32

16 4.3 21/45/8

7/32

18 4.4 23/8 21/25/8

3/16

8 3.3 11/45/16

1/8

10 3.3 13/8 11/23/8

1/8

12 3.3 15/8 13/47/16

5/32

14 3.8 17/8 2 1/25/32

16 4.3 21/4 23/8 21/25/8

7/32

18 4.4 25/8 23/4 3 3/41/4

20 4.9

10 3.3 11/23/8

1/8

12 3.3 15/8 13/47/16

5/32

14 3.8 2 1/25/32

16 4.3 21/4 23/8 21/25/8

7/32

18 4.4 23/4 3 3/41/4

20 4.9 31/4 33/87/8

5/16

22 5.4 31/27/8

1/4*25 5.412 3.3 13/4

7/165/32

14 3.8 2 1/25/32

16 4.3 21/4 23/8 21/25/8

7/32

18 4.4 23/4 3 3/41/4

20 4.9 31/4 31/27/8

5/16

22 5.4 33/4 4 1 1/4*25 5.428 6.416 4.3 21/4 23/8 21/2

5/87/32

18 4.4 23/4 3 3/41/4

20 4.9 31/4 31/27/8

5/16

22 5.4 33/4 4 1 3/8

25 5.4 41/4 41/2 11/41/4*

28 6.4

†Bore size 65mm has keyway 2.3mm deep on 2525 Bush * Shallow Key not to B.S. 46 Part 1.**Shallow Key not to B.S. 4235 Part 1.

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Minimum numberof teeth on pulley Z min

Minimum Diameterof outside idler di

Polyurethanecase

Steel Tension Members

Special ToothForm

Green Belt Linear Drives

Green Power Polyurethane Metric BeltsThe Green Power Polyurethane Timing Belt offers a highlyefficient, high strength system for the transmission oflinear power in transfer systems.Utilising the RPP tooth form the belts can be usedwith standard pulleys to metric pitches 5mm (5M), 8mm(8M) and 14mm(4M) with standard width belts able to handle loads up to 3,700kg with speeds up to 80m/sec.The body of the belt is Polyurethane with a hardness of 85 Shore A to provide good tooth strength to resist thehigh shock and surge loads encountered in reciprocatingdrives. High strength steel tension members provide highbreaking strength combined with low elasticity.The teeth are faced with a green nylon fabric which increases tooth strength; reduces the coefficient of frictionbetween belt and pulley, improving meshing with the pulley and reducing noise levels. The nylon has good wearproperties and ensures a clean drive media.Extensive development has resulted in a homogeneouscombination of all components, the cohesive bond imparting superior load carrying capacity giving the GreenPower Belts the ability to exceed the performance of otherbelts already in the market place.The parabolic profile of the Standard Green Power Belts hasa contact angle which increases from the base of the toothto the top, permitting an increased tooth profile comparedto other metric belts. The parabolic shape and tooth depthprovide the following advantages:-

l Reduced interference between belt and pulley improving meshing characteristics.

l Reduced noise levels.l Increased resistance to tooth jumping.l Increased shear strength.l Increased torque capacity.l Reduced installation tension. l Controlled deformation of the softer top section of the

tooth.

The belts are manufactured in a continuous process withthe steel tensile member parallel to belt edge. The openended belts are available in 50-100 metre rolls, but can besupplied in other lengths to request.

Belt Size

U5MU8M

HPU8MU14M

Pitchmm

Tooth LengthA

mm

Tooth HeightB

mm

Belt Thick.C

mm

Tol. Thickness

mm

Min.NumberPulley Teeth

Z min

Min.DiameterOutside Idler

di mm588

14

3.355.505.509.50

23.23.2

6

3.85.45.410

+_ 0.200.300.300.40

+_+_+_

12182232

60100150250

Green Power Belt Dimensions

Standard Green Power Belt DimensionsCat. No Width

mmWidth Tol.

mmWorking Load

Fm Max. NBreaking Load

NElasticity

mm/m/1000NWeightkg/m

U5M10EU5M15EU5M25EU5M30EU5M50E

U8M10EU8M15EU8M20EU8M30EU8M50EU8M85E

U8M100E

HPU8M10EHPU8M20EHPU8M30EHPU8M50EHPU8M85E

HPU8M100E

U14M40EU14M55EU14M85E

U14M115E

PitchP

mm

55555

8888888

888888

14141414

1015253050

101520305085

100

1020305085

100

405585

115

1015253050

101520305085

100

1020305085

100

405585

115

0.50.50.50.50.5

0.50.50.50.50.50.50.5

0.50.50.50.50.50.5

1.01.01.01.0

+_+_+_+_

+_+_+_+_+_+_+_

+_+_+_+_+_

+_+_+_+_+_+_

+_+_+_+_

8751330170023754750

14602190302044807100

1265015800

2000365059709370

1696019850

12300167502850036500

2680402072308050

15000

54608190

1092017290309405360063995

82501815026400462007755090750

4920067650

104550144525

4.503.001.651.450.83

2.501.951.350.850.550.320.24

2.001.050.670.430.240.21

0.320.240.140.11

0.03910.05860.09770.11720.1953

0.06570.09850.13130.19700.32830.55800.6565

0.07070.14170.21220.35280.60220.7085

0.47100.64701.00001.3553

A

Pitch p

B C

Mechanical Features ofGreen Power Linear Beltsl Dimensional consistancy.l Low pre-tension requirement.l Low noise levels.l High abrasion resistance.l No maintenance.l High flexibility. l Linear speeds up to 80m/secl High positional accuracy

Chemical Features of Green Power Linear Beltsl Working temperatures -30°C to +85°C and up to

+110°C for short periods.l High resistance to Oils and Greases.l Moderate resistance to Acids and Alkaline solutions.l Resistant to Ozone, UVA rays, Hydrolisis and Ageing.l Non flaking, non- toxic, suitable for food and clean

room applicatons.l The PU body is suitable for joining with other

thermoplastic materials.

Endless BeltsEndless Belts can be produced by welding open endedlengths, a multi-finger connection being used to minimisestrength loss.Also a limited range of endless manufactured bolts is available from 1.9 metre length for power transmission applications. These can be provided backed with Linatex,Tenax and softer PU compounds.

ZZ

26

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A Green Belt used for linear application can be selected either by consideration of the loads and accelerativeforces applied to the belt, or by the power applied to the driving pulley and the speed of rotation.

Green Belt Selection Procedure

For vertical drivesCorrected value Fp = (M+ MB + Mc) a + 9.807M + FF...NIf significantly changed recheck belt width - section 6.The belt can then be specified by type - width x length e.g.

U5M 2OE x 1500 - 1500mm length belt

Terms and Definitions :-a = acceleration m/secA = centre distance pulley shafts mmb = belt width cmd = bore of pulley mmdo = outside diameter of pulley mmdp = pitch diameter of pulley mmF = total force seen by belt NFF = friction forces seen by belt NFm = max. acceptable force for belt (table p23) NFp = linear driving force NFs = tooth shear resistance (see table below) N/cmFT = total force seen by belt NFx = fitting tension for belt (see p25) NL = length of belt mmLc = length of moving carriage mmLm= distance moved by carriage mmmB = unit weight of belt ( table p23) gm/mM = weight of moving components (carriage) kgMB = weight of belt length

= mB x L kgMc = compensated weight for pulley

= Mp 1+ d2

2 do2

Mp= weight of idler pulley kgN = shaft speed r.p.mp = belt pitch mmP = drive power KWV = belt/carriage linear speed m/secZ = number of teeth on pulleyZm= number of teeth in mesh with belt =12 max

(

In order to select the Green Belt it is first necessary to compiletogether, dependant on method of selection, the following relevant design parameters.

a) Is drive horizontal or verticalb) The mass of all moving parts to be moved by the belt.c) Maximum Belt velocityd) Maximum rate of acceleratione) Frictional forces due to load being movedf) Desired Pulley, diametersg) Pulley Centres/Total length of movement required h) Driving Motor Poweri) Driving Pulley speed (r.p.m.)j) Any width constrictions

Selection of Belt Considering Motor Power1) Use Power and Pulley speed to select size (pitch) of belt

from graph 1 opposite. 2) Considering the desired pulley diameter determine number

of teeth in pulley No. Teeth Z = dp x`

p 3) From Tooth Shear Resistance table against Pulley Speed

‘N’ determine value for Fs for selected belt size.4) Determine numbers of pulley teeth in mesh Zm, normally

equals z/2, Zm has a maximum Value of 125) Then Belt Width b = P x 12 x 106 mm

Fs x Zm x Z x NSelect next larger standard width to width calculated

6) Belt length L = 2A + Zxp mmWhere centre distance not specified but carriage motiondistance is, the min. pulley centre can be determined as:-

Amin = Lm + Lc + dp. mmThe belt can then be specified by type - width x length e.g.

U8M 50E X 2600 - 2600mm length belt.

Selection of Belt considering loads and accelerative forces1) Calculate the linear drive force Fp

For Horizontal drives Fp = M x a + FF NFor Vertical drives Fp = M (9.807+a)+ FF NFrom table below select size of belt for the application

2) Considering the desired pulley diameter determine numberof teeth in pulley

3) Determine Pulley speed, r.p.m. from linear speed of belt V.N = 60V x1000 r.p.m

Zxp4) From Tooth Shear Resistance table against Pulley Speed ‘N’,

determine value for Fs for selected belt size.5) Determine number of pulley teeth in mesh Zm, normally

equals Z/2. Zm has a maximum value of 12.6) Then belt width b = Fp mm

Fs x ZmSelect next larger standard width to width calculated.

7) Belt Length L = 2A + Zxp mmWhere Centre distance not specified but carriage motion distance is, the min. pulley centre distance can be determined as:-A min. = Lm + Lc +dp mm

8) Having determined a belt size and length the calculationfor linear drive force can be recalculated incorporating thebelt weight and idler pulley (the drive pulley inertia doesnot effect the belt forces, for horizontal drives.)Corrected value Fp = (M + MB + Mc) a + FF... N

0 - 920 500 - 3650500 - 3800

1000 - 9000

Drive Load RangeNSize of Belt Max Rate acceleration

m/sec2

U5MU8M

HPU8MU14M

80606040

No. Teeth Z = dp x `p

Value for Teeth Shear Resistance Fs N/cm by belt sizePulley SpeedN r.p.m U5M

020406080

100200300400500600700800900

10001100120013001400150016001700180020002200240026002800300032003400360038004000450050005500600065007000750080009000

10000

U8M HPU8M UI4M

Tooth Shear Resistance

(36.7036.3636.0235.6835.3435.0032.8531.5030.4529.5528.5827.7827.1026.5226.0025.5425.1324.7524.4024.0823.7823.5023.2422.7522.3121.9121.5421.1920.8620.5420.2419.9619.6819.4118.7618.1417.5316.9416.3415.7515.1514.5413.2811.97

75.7174.7273.7372.7471.7570.7665.1062.0059.7557.3555.5053.6452.0850.7349.5448.5047.5646.7045.9245.2044.5343.9043.3142.2441.2740.4039.5838.8338.1237.4436.8036.1935.6235.0433.6832.3931.1529.9328.7427.5326.3325.1122.6220.04

75.7174.7273.7372.7471.7570.7665.1062.0059.7557.3555.5053.6452.0750.7249.5448.4947.5446.6945.9045.1844.5143.8843.2942.2141.2440.3539.5338.7738.0537.3736.7236.0935.5034.9133.5232.2030.9229.6628.4127.1525.8924.6222.0019.27

139.65137.37135.03132.81130.53128.24118.00111.00105.00100.51

96.0492.3989.3186.6484.2882.1780.2578.4976.8675.3473.9072.5471.2568.8166.5464.3862.3060.2958.3256.3854.4652.5450.6248.6943.8138.7733.5328.0722.34_

____

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U14M

U5M

U8M & HPU 8M

B) Carriage to be moved vertically by belt on 2500 mm pulley centres, Weight of carriage 100kg moves max velocity 3m/sec with max acceleration 10m/sec2 , Frictional loss 50N with pulleys to be approx 75 mm diameter.

1) Calculate driving force Fp = M(9.807+ a) + FF N

= 100(9.807+10) + 50 = 2030.7NFrom table p23 belt size should be U8M

2) Calc No. Teeth Pulley Z = dp x ` = 75`=29.45 a 30 teethp 8

For 30 tooth pulley actual dp = 76.4 mm3) Determine pulley speed N = 60 V .1000 = 750 r.p.m

Z x p4) From Tooth Sheer Resistance table, p24, determine value Fs

@ 800 r.p.m = 52.085) Determine teeth in mesh Zm = z/2 = 30/2 = 15 but 12 is max6) Determine belt width b = Fp = 2030.7 = 3.25 cm

Fs x Zm 52.08 x 12 Next larger standard width is 50 mm

7) Belt length L = 2A + Z x p mm = 5240 mm8) Check corrected value for Fp including belt weight

Corrected Fp = (M + MB + Mc) a + 9.807M + FF N= (100 + 1.85 + 1.15) 10 + 9.807 x 100 + 50 N= 1030 + 981 + 50 = 2061 N

Change to original figure minimal so belt selection stands.Thus belt specification is U8M50E x 5240

Belt Selection examplesA) Belt required to drive oscillating table powered by 0.2kw motor

gearbox driving pulley at 270 r.p.m. The belt is required to havepulley centres 2000mm and pulley diameters approx 25mm.

1) By consideration of the Power and Speed values in table abovewe will select a U5M belt.

2) Considering the pulley diameter (25mm) we can determineNo.Teeth Z = dp x ` = 25` = 15.7 a 16 Teeth

p 5

For 16 tooth pulley actual dp = 25.46mm.3) From Tooth Shear Resistance table, p24, determine value Fs for

pulley speed (use table values next above).@ 300r.p.m Fs = 31.50

4) Determine no teeth in mesh. As this is a conveyor with equalpulleys :- Zm = z/2 = 8

5) Belt width is from equation b = p x 12 x 106

Fs x Zm x Z x N= 0.2 x 12 x 10

31.50 x 8 x 16 x 270= 2.2 cm

next largest belt standard width = 25 mm6) Belt length L = 2A + Z x p mm

= 4080 mmThus belt specification is U5M25Ex 4080

6

Belt TensioningThe belt tension is determined by the value of the driving force Fp. The fitting tension Fx must ensure that both strands of thebelt run without sagging, as otherwise the accuracy of transmission and belt life would be compromised. Thus the fittingtension should always exceed the maximum driving force, and isapplied to both strands of the belt.

F x FpThus in example B where Fp max is 2061N a sensible belt tension could be 2,500 N.Determining the fitting tension is simple, in that the centre distance of the pulleys is increased to a level equal to the elasticstretch of the belt under this load. Values for elasticity of belts isprovided in Std Belt Dimensions table. (Page 26)

Thus for our example B to get a tension of 2,500N we must extend the belt by 215 x 0.55 = 1.375 mm/m.As the existing centres are 2500 mm the total extension will be2.5 x 1.375 = 3.44 mm.Under working conditions the total load seen by either strand of the belt equals the fitting tension + working load.

Total Load FT = Fp + Fx NFor our example FT = 2061 + 2500 = 4561N

It is imperative this load does not exceed the maximum working load FM max shown in table bottom of page 26

FM FT For U8M50E belt FM = 7100N so selection in example is o.k.,otherwise a wider belt would have been required.

Shaft Speed RPM min -1

Des

ign

pow

er k

w

Green Belt Selection and Application

0.01

Green Belt Selection Table

1

10

100

1000

0.1

10,0001,000100101

28

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The belts are standard construction stock length and width sizes. Other pitches, widths, and special constructions can be supplied to order. Special Constructions include: Ground-back Belts, Static Conductive, Oil Resistant, High Temperature Resistant andDouble Sided Construction. For further details contact Cross & Morse Technical Department.

3/8‚‚ Wide Belt

Classical Series Timing Belts

Classical Series Timing Belts are manufactured in 5 pitch sizes,XL (1/5), L (3/8”), H (1/2”), XH (7/8”) and XXH (11/4”). Standard stocklengths and widths are shown below, the XH and XXH Seriesbeing available to order. Although in many designs ClassicalBelts have been replaced by the new Parabolic Belts they arestill preffered on some drives due to lower cost, larger selectionstock belts and pulleys and their suitability for low torque highspeed applications.

Standard Stock Timing Belt SizesXL Series - 1/5

” Pitch

Timing Belt ConstructionThe classical timing belt consists of four components.Cable Tension Member: A continuous helically wound glass fibrecable is the load carrying element at the heart of the belt. Thistension member provides the belt with enormous tensilestrength with a high level of flexibility.Polychloroprene Backing: A thin, strong, wear resistant polychloroprene rubber sleeve is bonded to the tension cable toprovide a flexible protection. Polychloroprene Teeth: Moulded integral with thepolychloroprene backing, made of moderately hard, shearresistant rubber compound, the teeth are accurately formed and preciselyspaced pulley engagement.Nylon Facing: A tough, wear resistant nylon duck, with lowcoefficient of friction, protects the wearing surface of the teethin the same manner as case hardening protects the surface ofsteel.

Special Construction BeltsBelts for special applications can be produced to order in minimum batch sizes.Anti- Static Belts: Belts conforming to BS 2050 Standard can be provided on all standard belt sizes. These belts are for applications where static discharges must be avoided, such aschemical plants, mines and oil refineries. High Temperature Belts: For applications in confined areas with elevated temperatures, these belts can operate at up to 120˚C.Oil Resistance Belts: For areas where belts could be subject to frequent contact with lubricating oils.

Belts with a combination of these features can also be offered.

Ground Back Belts: All belts supplied by Cross and Morse haveground backs and uniform tension member to ensure smooth running. For very sensitive drives the belt thickness tolerance can be tightened from the standard ± 0.6mm to ± 0.25mm (Class 2) or even ± 0.15mm (Class 1). These belts provide improved accuracy of drive on positioning applications.Other Pitch and Widths of Belts: Belts can also be provided in2mm pitch MXL, 7/8 inch pitch XH and 11/4 inch pitch XXH, for replacement purposes. Widths up to mould turn (approx 400mm) can be supplied.

Belt LengthCode

54XL60XL70XL80XL90XL98XL

100XL102XL106XL110XL120XL130XL140XL150XL156XL160XL170XL180XL182XL190XL198XL200XL202XL210XL212XL214XL

PitchLength

mm

No.Teeth

N

1/4‚‚ Wide Belt

Cat. No Wt.gms Cat. No Wt.gms

137.16152.40177.80203.20228.60248.92254.00259.08269.24279.40304.80330.20355.60381.00396.24406.40431.80457.20462.28482.60502.92508.00513.08533.40538.48543.56

273035404549505153556065707578808590919599

100101105106107

54XL 02560XL 02570XL 02580XL 02590XL 02598XL 025

100XL 025102XL 025106XL 025110XL 025120XL 025130XL 025140XL 025150XL 025156XL 025160XL 025170XL 025180XL 025182XL 025190XL 025198XL 025200XL 025202XL 025210XL 025212XL 025214XL 025

2.02.32.62.93.33.63.73.73.94.04.44.85.15.55.75.96.26.66.77.07.37.37.47.77.87.9

54XL 03760XL 03770XL 03780XL 03790XL 03798XL 037

100XL 037102XL 037106XL 037110XL 037120XL 037130XL 037140XL 037150XL 037156XL 037160XL 037170XL 037180XL 037182XL 037190XL 037198XL 037200XL 037202XL 037210XL 037212XL 037214XL 037

2.93.33.84.44.95.35.55.65.86.06.57.07.68.28.58.79.39.8

10.010.410.911.011.111.511.711.8

TensionMember

Nylon Facing

Polychloroprene Teeth

Polychloroprene Backing

3/8‚‚ Wide BeltBelt

LengthCode

220XL228XL230XL234XL240XL250XL260XL270XL276XL290XL310XL316XL320XL330XL344XL352XL364XL380XL384XL390XL392XL434XL530XL600XL710XL

PitchLength

mm

No.Teeth

N

1/4‚‚ Wide Belt

Cat. No Wt.gms Cat. No Wt.gms

558.80579.12584.20594.36609.60635.00660.40685.80701.04736.60787.40802.64812.80838.20873.76894.08924.56965.20975.36990.60995.68

1102.361346.201524.001803.40

110114115117120125130135138145155158160165172176182190192195196217265300355

220XL 025228XL 025230XL 025234XL 025240XL 025250XL 025260XL 025270XL 025276XL 025290XL 025310XL 025316XL 025320XL 025330XL 025334XL 025352XL 025364XL 025380XL 025384XL 025390XL 025392XL 025434XL 025530XL 025600XL 025710XL 025

8.18.48.48.68.89.29.59.9

10.110.611.411.611.712.112.612.913.313.914.114.314.415.919.422.026.0

220XL 037228XL 037230XL 037234XL 037240XL 037250XL 037260XL 037270XL 037276XL 037290XL 037310XL 037316XL 037320XL 037330XL 037344XL 037352XL 037364XL 037380XL 037384XL 037390XL 037392XL 037434XL 037530XL 037600XL 037710XL 037

12.112.512.612.913.213.714.314.815.215.917.117.417.618.118.919.420.020.921.121.421.623.929.133.039.1

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Classical Series Timing Belts

L Series - 3/8” PitchBelt

LengthCode

PitchLength

mm

No.Teeth

N

1/2” Wide Belt 3/4” Wide Belt 1” Wide Belt

Cat. No. Wt. gms. Cat. No. Wt. gms. Cat. No. Wt. gms.

124L135L150L173L187L202L210L225L240L255L270L285L300L322L345L367L390L405L412L420L450L480L510L540L600L728L817L

240H270H300H330H360H390H420H450H480H510H540H570H600H630H660H700H725H750H800H850H900H

1000H1100H1120H1140H1150H1250H1400H1700H

240H 075 270H 075 300H 075330H 075360H 075390H 075420H 075450H 075480H 075510H 075540H 075570H 075600H 075630H 075660H 075700H 075725H 075750H 075800H 075850H 075900H 075

1000H 0751100H 0751120H 0751140H 0751150H 0751250H 0751400H 0751700H 075

609.60685.80762.00838.20914.40990.60

1066.801143.001219.201295.401371.601447.801524.001600.201676.401778.001841.501905.002032.002159.002286.002540.002794.002844.802895.602921.003175.003556.004318.00

485460667278849096

102108114120126132140145150160170180200220224228230250280340

.052

.058

.065

.071

.078

.084

.091

.097

.104

.110

.116

.122

.129

.135

.142

.151

.156

.161

.172

.183

.194

.215

.237

.241

.246

.248

.269

.301

.366

240H 100270H 100300H 100330H 100360H 100390H 100420H 100450H 100480H 100510H 100540H 100570H 100600H 100630H 100660H 100700H 100725H 100750H 100800H 100850H 100900H 100

1000H 1001100H 1001120H 1001140H 1001150H 1001250H 1001400H 1001700H 100

.069

.077

.088

.096

.104

.114

.120

.129

.138

.146

.155

.163

.171

.180

.189

.200

.208

.215

.229

.243

.258

.286

.315

.321

.326

.329

.358

.401

.487

240H 150270H 150300H 150330H 150360H 150390H 150420H 150450H 150480H 150510H 150540H 150570H 150600H 150630H 150660H 150700H 150725H 150750H 150800H 150850H 150900H 150

1000H 1501100H 1501120H 1501140H 1501150H 1501250H 1501400H 1501700H 150

.103

.116

.131

.142

.155

.167

.180

.193

.206

.219

.232

.245

.258

.270

.284

.301

.311

.322

.343

.365

.386

.429

.472

.481

.489

.493

.537

.601

.730

240H 200270H 200300H 200330H 200360H 200390H 200420H 200450H 200480H 200510H 200540H 200570H 200600H 200630H 200660H 200700H 200725H 200750H 200800H 200850H 200900H 200

1000H 2001100H 2001120H 2001140H 2001150H 2001250H 2001400H 2001700H 200

.137

.154

.175

.193

.207

.228

.240

.258

.275

.292

.309

.326

.343

.360

.378

.400

.415

.430

.458

.487

.515

.572

.630

.641

.653

.659

.716

.801

.973

240H 300270H 300300H 300330H 300360H 300390H 300420H 300450H 300480H 300510H 300540H 300570H 300600H 300630H 300660H 300700H 300725H 300750H 300800H 300850H 300900H 300

1000H 3001100H 3001120H 3001140H 3001150H 3001250H 3001400H 3001700H 300

.206

.231

.263

.289

.311

.341

.360

.386

.412

.438

.464

.489

.515

.540

.567

.601

.623

.644

.687

.730

.773

.859

.944

.961

.978

.9871.0731.2011.460

124 L050135 L050150 L050173 L050187 L050202 L050210 L050225 L050240 L050255 L050270 L050285 L050300 L050322 L050345 L050367 L050390 L050405 L050412 L050420 L050450 L050480 L050510 L050540 L050600 L050728 L050817 L050

124 L075135 L075150 L075173 L075187 L075202 L075210 L075225 L075240 L075255 L075270 L075285 L075300 L075322 L075345 L075367 L075390 L075405 L075412 L075420 L075450 L075480 L075510 L075540 L075600 L075728 L075817 L075

124L 100135L 100150L 100173L 100187L 100202L 100210L 100225L 100240L 100255L 100270L 100285L 100300L 100322L 100345L 100367L 100390L 100405L 100412L 100420L 100450L 100480L 100510L 100540L 100600L 100728L 100817L 100

314.33342.90381.00438.15476.25514.35533.40571.50609.60647.70685.80723.90762.00819.15876.30932.18990.60

1028.701047.751066.801143.001219.201295.401371.601524.001847.852076.45

33364046505456606468727680869298

104108110112120128136144160194218

.015

.017

.019

.020

.022

.023

.025

.026

.028

.030

.032

.034

.035

.038

.040

.043

.046

.047

.048

.049

.054

.058

.062

.065

.070

.085

.095

BeltLengthCode

Pitch Lengthmm

No.Teeth

N

1/2” Wide Belt 11/2” Wide Belt1” Wide Belt 2” Wide Belt 3” Wide Belt

Cat. No. Wt. gms. Cat. No. Wt. gms. Cat. No. Wt. gms. Cat. No. Wt. gms. Cat. No. Wt. gms.

.023

.023

.026

.030

.034

.035

.038

.039

.042

.045

.047

.049

.053

.056

.060

.063

.068

.071

.072

.074

.078

.083

.089

.093

.105

.128

.142

.031

.034

.038

.039

.044

.046

.051

.052

.056

.060

.063

.068

.070

.075

.081

.085

.091

.095

.096

.098

.105

.116

.120

.130

.139

.170

.190

Standard Stock Timing Belt Sizes

The belts are standard construction stock length and width sizes. Other pitches, widths, and special constructions can be suppliedto order. Special Constructions include: Ground-back Belts, Static Conductive, Oil Resistant, High Temperature Resistant. For further details contact Cross & Morse Technical Department. Standard Belts to XH and XXH formats can be supplied on short delivery time.

Open Ended Classical Series BeltsOpen ended classical belts are available all sizes of classical belts for application on reciprocating drives, etc. All belts operate onstandard pulleys and can be secured by clamping plates (page 45).

Cat. No Belt Type Pitch mm Width mm No. Teeth/Metre Wt/Metre gms Std. Length

XL025EXL031EXL037EL050EL075EL100EH050EH075EH100E

XL025XL031XL037L050L075L100H050H075H100

5.085.085.089.539.539.53

12.7012.7012.70

6.47.99.5

12.719.125.412.719.125.4

196.8196.8196.8105.0105.0105.078.778.778.7

14.418.021.645.768.491.556.584.8

113.0

110m90m70m90m70m50m70m70m70m

H Series - 1/2” Pitch

30

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Classical Series Timing Belts

Double Sided Classical Belts Construction of these belts same as standard Classical Belts, but with teeth on both sides of the belt. Both faces of belt have nylonfacing for wear resistance. These belts enable driving of pulleys by both sides of belt.

XL Series Double Sided Belts - 1/5” Pitch

L Series Double Sided Belts - 3/8” Pitch

H Series Double Sided Belts - 1/2” Pitch

BeltLengthCode

PitchLength

mm

No.Teeth

N

1/4” Wide Belt 3/8” Wide Belt

Cat. No. Wt. gms. Cat. No. Wt. gms.

BeltLengthCode

PitchLength

mm

No.Teeth

N

1/2” Wide Belt 3/4” Wide Belt 1” Wide Belt

Cat. No. Wt. gms. Cat. No. Wt. gms. Cat. No. Wt. gms.

120XL130XL140XL150XL156XL160XL170XL180XL182XL190XL198XL200XL202XL210XL212XL214XL220XL228XL230XL234XL

304.80330.20355.60381.00396.24406.40431.80457.20462.28482.60502.92508.00513.08533.40538.48543.56558.80579.12584.20594.36

6065707578808590919599

100101105106107110114115117

124L135L150L173L187L202L210L225L240L255L270L285L300L322L345L367L390L405L412L420L450L480L510L540L600L728L817L

240H270H300H330H360H390H420H450H480H510H540H570H600H630H660H700H725H750H800H850H900H

1000H1100H1120H1140H1150H1250H1400H1700H

240H075DD270H075DD300H075DD330H075DD360H075DD390H075DD420H075DD450H075DD480H075DD510H075DD540H075DD570H075DD600H075DD630H075DD660H075DD700H075DD725H075DD750H075DD800H075DD850H075DD900H075DD

1000H075DD1100H075DD1120H075DD1140H075DD1150H075DD1250H075DD1400H075DD1700H075DD

609.60685.80762.00838.20914.40990.60

1066.801143.001219.201295.401371.601447.801524.001600.201676.401778.001841.501905.002032.002159.002286.002540.002794.002844.802895.602921.003175.003556.004318.00

485460667278849096

102108114120126132140145150160170180200220224228230250280340

.052

.058

.065

.071

.078

.084

.091

.097

.104

.110

.116

.122

.129

.135

.142

.151

.156

.161

.172

.183

.194

.215

.237

.241

.246

.248

.269

.301

.366

240H100DD270H100DD300H100DD330H100DD360H100DD390H100DD420H100DD450H100DD480H100DD510H100DD540H100DD570H100DD600H100DD630H100DD660H100DD700H100DD725H100DD750H100DD800H100DD850H100DD900H100DD

1000H100DD1100H100DD1120H100DD1140H100DD1150H100DD1250H100DD1400H100DD1700H100DD

.069

.077

.088

.096

.104

.114

.120

.129

.138

.146

.155

.163

.171

.180

.189

.200

.208

.215

.229

.243

.258

.286

.315

.321

.326

.329

.358

.401

.487

240H150DD270H150DD300H150DD330H150DD360H150DD390H150DD420H150DD450H150DD480H150DD510H150DD540H150DD570H150DD600H150DD630H150DD660H150DD700H150DD725H150DD750H150DD800H150DD850H150DD900H150DD

1000H150DD1100H150DD1120H150DD1140H150DD1150H150DD1250H150DD1400H150DD1700H150DD

.103

.116

.131

.142

.155

.167

.180

.193

.206

.219

.232

.245

.258

.270

.284

.301

.311

.322

.343

.365

.386

.429

.472

.481

.489

.493

.537

.601

.730

240H200DD270H200DD300H200DD330H200DD360H200DD390H200DD420H200DD450H200DD480H200DD510H200DD540H200DD570H200DD600H200DD630H200DD660H200DD700H200DD725H200DD750H200DD800H200DD850H200DD900H200DD

1000H200DD1100H200DD1120H200DD1140H200DD1150H200DD1250H200DD1400H200DD1700H200DD

.137

.154

.175

.193

.207

.228

.240

.258

.275

.292

.309

.326

.343

.360

.378

.400

.415

.430

.458

.487

.515

.572

.630

.641

.653

.659

.716

.801

.973

240H300DD270H300DD300H300DD330H300DD360H300DD390H300DD420H300DD450H300DD480H300DD510H300DD540H300DD570H300DD600H300DD630H300DD660H300DD700H300DD725H300DD750H300DD800H300DD850H300DD900H300DD

1000H300DD1100H300DD1120H300DD1140H300DD1150H300DD1250H300DD1400H300DD1700H300DD

.206

.231

.263

.289

.311

.341

.360

.386

.412

.438

.464

.489

.515

.540

.567

.601

.623

.644

.687

.730

.773

.859

.944

.961

.978

.9871.0731.2011.460

124L050DD135L050DD150L050DD173L050DD187L050DD202L050DD210L050DD225L050DD240L050DD255L050DD270L050DD285L050DD300L050DD322L050DD345L050DD367L050DD390L050DD405L050DD412L050DD420L050DD450L050DD480L050DD510L050DD540L050DD600L050DD728L050DD817L050DD

124L075DD135L075DD150L075DD173L075DD187L075DD202L075DD210L075DD225L075DD240L075DD255L075DD270L075DD285L075DD300L075DD322L075DD345L075DD367L075DD390L075DD405L075DD412L075DD420L075DD450L075DD480L075DD510L075DD540L075DD600L075DD728L075DD817L075DD

124L100DD135L100DD150L100DD173L100DD187L100DD202L100DD210L100DD225L100DD240L100DD255L100DD270L100DD285L100DD300L100DD322L100DD345L100DD367L100DD390L100DD405L100DD412L100DD420L100DD450L100DD480L100DD510L100DD540L100DD600L100DD728L100DD817L100DD

314.33342.90381.00438.15476.25514.35533.40571.50609.60647.70685.80723.90762.00819.15876.30932.18990.60

1028.701047.751066.801143.001219.201295.401371.601524.001847.852076.45

33364046505456606468727680869298

104108110112120128136144160194218

.015

.017

.019

.020

.022

.023

.025

.026

.028

.030

.032

.034

.035

.038

.040

.043

.046

.047

.048

.049

.054

.058

.062

.065

.070

.085

.095

BeltLengthCode

Pitch Lengthmm

No.Teeth

N

1/2” Wide Belt 11/2” Wide Belt1” Wide Belt 2” Wide Belt 3” Wide Belt

Cat. No. Wt. gms. Cat. No. Wt. gms. Cat. No. Wt. gms. Cat. No. Wt. gms. Cat. No. Wt. gms.

.022

.024

.026

.030

.034

.035

.038

.039

.042

.045

.047

.049

.053

.056

.060

.063

.068

.071

.072

.074

.078

.083

.089

.093

.105

.128

.142

.031

.034

.038

.039

.044

.046

.051

.052

.056

.060

.063

.068

.070

.075

.081

.085

.091

.095

.096

.098

.105

.116

.120

.130

.139

.170

.190

4.44.85.15.55.75.96.26.66.77.07.37.37.47.77.87.98.18.48.48.6

6.57.07.68.28.58.79.39.8

10.010.410.911.011.111.511.711.812.112.512.612.9

120XL025DD130XL025DD140XL025DD150XL025DD156XL025DD160XL025DD170XL025DD180XL025DD182XL025DD190XL025DD198XL025DD200XL025DD202XL025DD210XL025DD212XL025DD214XL025DD220XL025DD228XL025DD230XL025DD234XL025DD

120XL025DD130XL037DD140XL037DD150XL037DD156XL037DD160XL037DD170XL037DD180XL037DD182XL037DD190XL037DD198XL037DD200XL037DD202XL037DD210XL037DD212XL037DD214XL037DD220XL037DD228XL037DD230XL037DD234XL037DD

BeltLengthCode

PitchLength

mm

No.Teeth

N

1/4” Wide Belt 3/8” Wide Belt

Cat. No. Wt. gms. Cat. No. Wt. gms.

240XL250XL260XL270XL276XL290XL310XL316XL320XL330XL344XL352XL364XL380XL384XL390XL392XL434XL530XL600XL

609.60635.00660.40685.80701.04736.60787.40802.64812.80838.20873.76894.08924.26965.20975.36990.60995.68

1102.361346.201524.00

120125130135138145155158160165172176182190192195196217265300

8.89.29.59.9

10.110.611.411.611.712.112.612.913.313.914.114.314.415.919.422.0

13.213.714.314.815.215.917.117.417.618.118.919.420.020.921.121.421.623.929.133.0

240XL025DD250XL025DD260XL025DD270XL025DD276XL025DD290XL025DD310XL025DD316XL025DD320XL025DD330XL025DD344XL025DD352XL025DD364XL025DD380XL025DD384XL025DD390XL025DD392XL025DD434XL025DD530XL025DD600XL025DD

240XL037DD250XL037DD260XL037DD270XL037DD276XL037DD290XL037DD310XL037DD316XL037DD320XL037DD330XL037DD344XL037DD352XL037DD364XL037DD380XL037DD384XL037DD390XL037DD392XL037DD434XL037DD530XL037DD600XL037DD

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:52 Page 31

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INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

F

E

Classical Timing Belt Pulleys have evenly spaced grooves cut in their periphery, to make correct, positive engagement with themating teeth of the belt. Cross & Morse pulleys are manufactured with involute groove form to enable the teeth to enter and leavethe pulley with negligible friction and minimum backlash.Pulleys are available in a number of stock widths and large selection of numbers of teeth to provide maximum versatility in driveselection. Pulleys for 3/8” pitch ‘L’, and 1/2” pitch ‘H’, drives are available with pilot bore for reworking to customers requirementsor with taper bush for the complete off the shelf drive. All pulleys are precision manufactured to close tolerances to ensure concentric running, and it is important when reworking stock pulleys to accurately locate on the outside diameter to maintainconcentricity.Pulleys of non-standard widths or numbers of teeth can be supplied to order, or alternately teeth can be cut on customers blanks.All pulleys are manufactured in good quality steel except for larger pulleys where cast iron is used (1/5” pitch ‘XL’ are also availablein aluminium. Generally pulleys up to 48 teeth are supplied with two flanges to retain the timing belt. These flanges are accuratelymachined, pressed onto the pulley bodies and retained by spin rivetting. Dimensions over and between flanges for standard pulleys are indicated below. The dimension over the flanges is generally the same as recommended width of tooth for unflanged pulleys.

ApproxWeight

kg

RimDiameter

N

Classical Timing Belt Pulleys

Catalogue No.No.

TeethZ

PulleyType

PitchCircle

Dia. dp

Max.Bore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

10XL03711XL03712XL03713XL03714XL03715XL03716XL03717XL03718XL03719XL03720XL03721XL03722XL03724XL03726XL03727XL03728XL03730XL03732XL03734XL03735XL03736XL03738XL03740XL03742XL03744XL03748XL03760XL03772XL037

Min.Bore

d

1/5” Pitch Pulleys for 3/8” Wide Belts. Ref. XL037

Belt Size

Belt Width Ref.

Belt Width

E

F min.

(1/5”) XL

XL0373/8”

10.7

14.3

L0501/2”

14.3

19.0

L0753/4”

20.8

25.5

L100

1”

27.0

32.0

H1001”

27.0

32.0

H150

11/2”

40.0

45.0

H200

2”

53.0

58.0

H300

3”

79.0

84.0

(3/8”) L (1/2”) H

Standard Pulleys for XL (1/5” pitch) Belts

1011121314151617181920212224262728303234353638404244486072

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1111111222

16.1717.7919.4021.0222.6424.2625.8727.4929.1130.7232.3433.9635.5738.8142.0443.6645.2848.5151.7454.9856.6058.2161.4564.6867.9171.1577.6297.02

116.43

4.04.04.04.04.06.06.06.06.06.06.06.06.06.08.08.08.08.08.08.08.08.08.08.08.08.0

10.010.010.0

6677

10101013131315151620202022252529292929292929292929

15.717.318.920.522.123.825.427.028.630.231.833.535.138.341.543.244.848.051.254.556.157.761.064.267.470.677.196.5

115.9

23232528282832353538383841444848515457––––––––––

14.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.314.3

20.020.020.020.020.020.020.020.020.022.022.022.022.022.022.022.022.022.025.025.025.025.025.025.025.025.025.025.025.0

9.59.5

10.010.015.015.016.020.020.020.023.523.525.030.030.030.034.038.038.045.045.045.045.045.045.045.045.045.045.0

––––––––––––––––––––––––––

6180

100

0.020.020.030.040.050.050.060.070.080.090.110.120.130.150.190.200.220.240.120.120.130.140.160.170.180.190.210.250.30

All dimensions in mm.

L

F

d MA dp do d Mdo

FL

dp

FL

dodp N d M

Type 1 Type 2Type 1F

Pulley Types available in both steel and aluminium. For steel add ‘C’ to part number, for aluminium add ‘L’.

32

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:52 Page 32

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INDEX BACK NEXT

33

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

L

F

d MA dp do

Type 1FMaterial: Steel

Type 2Material: Cast Iron

Webs have lightening holes

Type 2FMaterial: Cast Iron

Webs have lightening holes

FL

dodp N d M

P10L050P12L050P13L050P14L050P15L050P16L050P17L050P18L050P19L050P20L050P21L050P22L050P23L050P24L050P25L050P26L050P27L050P28L050P30L050P32L050P36L050P40L050P44L050P48L050

P60L050P72L050P84L050P96L050

101213141516171819202122232425262728303236404448

60728496

30.3236.3839.4142.4545.4848.5151.5454.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02

109.15121.28133.40145.53

181.91218.30254.68291.06

888888

101010101010101010111111111111111111

14141414

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F2F2F2F

2222

131519192324242727273030363638383838464646464646

45454545

29.635.638.741.744.747.850.853.856.859.962.965.969.072.075.078.181.184.190.296.3

108.4120.5132.6144.8

181.2217.5253.9290.3

37434448515457606467707579798387879197

102115128142150

––––

191919191919191919191919191919191919191919191919

19191919

283030303032323232323232323232323232323232323232

42424242

202428283436364040404545555858585870707070707070

75757575

–––––––––––––––––––––

100112124

160197233269

0.120.160.190.220.290.340.380.420.460.500.570.610.710.810.850.910.971.031.071.231.501.772.202.68

3.104.865.006.00

CatalogueNo.

Plain Bore Pulleys for‘L’ Series Timing Belts

Pulley TypesThe Pulley types referred to in tables are as drawings below. Suffix ‘F’ indicates pulley has flanges. Pulley below dividing line in tables are manufactured in cast iron. Std.Pulleys can be reworked tocustomers bore and keywayrequirements.

No.Teeth

Z

PulleyType

PitchCircle

Diameterdp

Min.Bore

d

MaxBore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

RimDiameter

N

3/8” Pitch Pulleys for 1/2” wide Belts. Ref. L050

Approx.Weight

kg

3/8” Pitch Pulleys for 3/4” wide Belts. Ref. L075

P10L075P12L075P13L075P14L075P15L075P16L075P17L075P18L075P19L075P20L075P21L075P22L075P23L075P24L075P25L075P26L075P27L075P28L075P30L075P32L075P36L075P40L075P44L075P48L075

P60L075P72L075P84L075P96L075

101213141516171819202122232425262728303236404448

60728496

30.3236.3839.4142.4545.4848.5151.5454.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02

109.15121.28133.40145.53

181.91218.30254.68291.06

888

111111111111111111111111111111111111111111

14141414

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F2F2F2F

2222

131519192324272727303030363638383838464646464646

45454545

29.635.638.741.744.747.850.853.856.859.962.965.969.072.075.078.181.184.190.296.3

108.4120.5132.6144.8

181.2217.5253.9290.3

37434448515457606467707579798387879197

102115128142150

––––

252525252525252525252525252525252525252525252525

25252525

383838383838383838383838383838383838383838383838

45454545

202428283436364040404545555558585858707070707070

75757575

–––––––––––––––––––––

100112124

160197233269

0.180.220.250.270.340.430.470.510.550.590.640.770.850.971.021.081.181.201.371.541.892.352.753.19

3.444.585.607.00

3/8” Pitch Pulleys for 1” wide Belts. Ref. L100

P10L100P12L100P13L100P14L100P15L100P16L100P17L100P18L100P19L100P20L100P21L100P22L100P23L100P24L100P25L100P26L100P27L100P28L100P30L100P32L100P36L100P40L100P44L100P48L100

P60L100P72L100P84L100P96L100

30.3236.3839.4142.4545.4848.5151.5454.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02

109.15121.28133.40145.53

181.91218.30254.68291.06

888

111111111111111111111111111111111111111111

14141414

131519192324242727273030363638383838464646464646

45454545

29.635.638.741.744.747.850.853.856.859.962.965.969.072.075.078.181.184.190.296.3

108.4120.5132.6144.8

181.2217.5253.9290.3

323232323232323232323232323232323232323232323232

32323232

454545454545454545454545454545454545454545454545

50505050

202428283436364040404545455558585858707070707070

75757575

–––––––––––––––––––––

100112124

160197233269

0.180.260.300.340.410.480.550.620.700.720.770.881.121.161.181.241.351.421.611.842.322.863.363.86

3.555.006.308.20

37434448515457606467707579798387879197

102115128142150

––––

101213141516171819202122232425262728303236404448

60728496

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F2F2F2F

2222

All dimensions in mm. Other sizes of Pulleys can be supplied on short delivery. All Pulleys can be supplied finish bored and keywayed. Parallel bore pulleys can be machined and fitted with bearings for idler pulleys. When using pulleys as inside idlers itis recommended that number of teeth of idler should be more than that of smaller drive pulley.

d MA dp do

L

F

N

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:52 Page 33

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INDEX BACK NEXT

Te

l +

44

1

21

3

60

0

15

5 F

ax

+

44

1

21

3

25

1

07

9 E

ma

il s

ale

s@

cr

os

sm

or

se

.c

om

P14H100P16H100P18H100P19H100P20H100P21H100P22H100P24H100P26H100P28H100P30H100P32H100P36H100P40H100

P44H100P48H100P60H100P72H100P84H100P96H100

P120H100

d MA dp do

L

F

N

L

F

d MA dp do

Type 1FMaterial: Steel

Type 2Material: Cast Iron

FL

dodp N d M

––––––––––––

118134

150166215263312360458

1.401.892.382.603.103.323.674.405.205.607.007.809.90

12.20

15.0011.4013.3019.0020.0027.0033.00

8686868686868686868686868686

86868686868686

64707983879193

102112120128135150168

–––––––

2830364041434547545454544848

48545462627070

56.6064.6872.7776.8180.8584.8988.9497.02

105.11113.19121.28129.36145.53161.70

177.87194.04242.55291.06339.57388.08485.10

1111191919191919191919191919

24242428282828

1F1F1F1F1F1F1F1F1F1F1F1F2F2F

2222222

No.Teeth

Z

Other sizes of Pulleys can be supplied on short delivery. All dimensions in mm.All Pulleys can be supplied finish bored and keywayed.

ApproxWeight

kg

RimDiameter

N

Plain Bore Pulleys for‘H’ Series Timing Belts

CatalogueNo.

PulleyType

PitchCircle

Dia. dp

Max.Bore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

Min.Bore

d1/2

” Pitch Pulleys for 1” Wide Belts. Ref. H100

56.6064.6872.7776.8180.8584.8988.9497.02

105.11113.19121.28129.36145.53161.70

177.87194.04242.55291.06339.57388.08485.10

3232323232323232323232323232

32323232323232

1/2” Pitch Pulleys for 11

/2” Wide Belts. Ref. H150

1416181920212224262830323640

444860728496

120

1F1F1F1F1F1F1F1F1F1F1F1F2F2F

2F2F22222

1111121414141414141414141414

14141919191919

3030364041434547545454544848

48545462627070

55.263.371.475.479.583.587.695.7

103.7111.8119.9128.0144.2160.3

176.5192.7241.2289.7338.2386.7483.7

64707983879193

102112120128135150168

184200–––––

4545454545454545454545454545

50505055556060

4545556062656872808080808080

809090

100100120120

––––––––––––

118134

150166215263312360458

0.670.881.061.231.331.431.631.952.302.532.933.063.924.95

6.205.307.509.00

10.0013.8022.00

P14H150P16H150P18H150P19H150P20H150P21H150P22H150P24H150P26H150P28H150P30H150P32H150P36H150P40H150

P44H150P48H150P60H150P72H150P84H150P96H150

P120H150

56.6064.6872.7776.8180.8584.8988.9497.02

105.11113.19121.28129.36145.53161.70

177.87194.04242.55291.06339.57388.08485.10

4646464646464646464646464646

46464646464646

1416181920212224262830323640

444860728496

120

1F1F1F1F1F1F1F1F1F1F1F1F2F2F

2F2F22222

1111141414141414141414141414

19191924242424

2830364041434547545454544848

48545462627070

55.263.371.475.479.583.587.695.7

103.7111.8119.9128.0144.2160.3

176.5192.7241.2289.7338.2386.7483.7

64707983879193

102112120128135150168

184200–––––

5858585858585858585858585858

58656565656565

––––––––––––

118134

150166215263312360458

0.951.081.451.551.701.872.072.502.993.393.864.375.506.80

8.508.809.00

11.0013.0017.0025.00

4245556062656872808080808080

809090

100100120120

1/2” Pitch Pulleys for 2” Wide Belts. Ref. H200

P14H200P16H200P18H200P19H200P20H200P21H200P22H200P24H200P26H200P28H200P30H200P32H200P36H200P40H200

P44H200P48H200P60H200P72H200P84H200P96H200

P120H200

56.6064.6872.7776.8180.8584.8988.9497.02

105.11113.19121.28129.36145.53161.70

177.87194.04242.55291.06339.57388.08485.10

5959595959595959595959595959

59595959595959

1416181920212224262830323640

444860728496

120

1F1F1F1F1F1F1F1F1F1F1F1F2F2F

2F2F22222

2830364041434547545454544848

48545462627070

55.263.371.475.479.583.587.695.7

103.7111.8119.9128.0144.2160.3

176.5192.7241.2289.7338.2386.7483.7

64707983879193

102112120128135150168

184200–––––

7070707070707070707070707070

70757575757575

––––––––––––

118134

150166215263312360458

1.101.341.651.902.112.232.452.973.614.104.745.607.108.40

10.508.60

11.0014.0015.0020.3028.00

4245556062656872808080808080

809090

100100120120

1111141414141414141414141414

19242428282828

1/2” Pitch Pulleys for 3” Wide Belts. Ref. H300

P14H300P16H300P18H300P19H300P20H300P21H300P22H300P24H300P26H300P28H300P30H300P32H300P36H300P40H300

P44H300P48H300P60H300P72H300P84H300P96H300

P120H300

1416181920212224262830323640

444860728496

120

55.263.371.475.479.583.587.695.7

103.7111.8119.9128.0144.2160.3

176.5192.7241.2289.7338.2386.7483.7

100100100100100100100100100100100100100100

100100100100100100100

4245556062656872808080808080

809090

100100120120

Pulley TypesThe pulley types referred to intables are as drawings below.The suffix ‘F’ indicates pulley has flanges.

Pulleys below dividing line in tables are in Cast iron, and ofspoked design. Std. Pulleys can be reworked tocustomers bore and keyway.

Type 2FMaterial: Cast Iron

34

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44

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21

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L

A N do dp

F

F

dp do M N

L

dp do

F/L

A

Pulley TypesPulley types referred to in tables are as drawings below. The suffix ‘F’ indicates pulleyhas flanges. Pulleys belowdividing line in tables aremanufactured in cast iron. Types 7, 10 & 12 when in cast iron have lightening holes.

Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shaft should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance which willcause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 10 for additional information on drive installation.

18L05019L05020L05021L05022L05023L05024L05025L05026L05027L05028L05030L05032L05036L05040L05048L05060L050

72L05084L05096L050

120L050

1919191919191919191919191919191919

19191919

4545484851545456606265707485888892

9292

106106

_________________

120166

202236270343

CatalogueNo.

Taper Bore Pulleys for‘L’ Series Timing Belts

No.Teeth

Z

PulleyType

PitchCircle

Diameterdp

TaperBushSize

MaxBore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

RimDiameter

N

3/8” Pitch Pulleys for 1/2” wide Belts. Ref. L050

Approx.Weight

kg

1819202122232425262728303236404860

728496

120

8F8F8F8F8F8F8F8F8F8F8F8F8F8F8F

11F7

7777

54.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02

109.15121.28145.53181.91

218.30254.68291.06363.83

2828282828282828282828282828424242

42425050

53.856.859.962.965.969.072.075.078.181.184.190.296.3

108.4120.5144.8181.2

217.5253.9290.3363.1

606467707579798386869197

102115128150_

____

2222222222222222222222222222252525

25253232

0.170.200.230.300.360.410.450.500.550.610.680.820.981.381.751.762.18

3.004.005.506.80

3/8” Pitch Pulleys for 3/4” wide Belts. Ref. L075

11081108110811081108110811081108110811081108110811081108161016101610

1610161020122012

18L07519L07520L07521L07522L07523L07524L07525L07526L07527L07528L07530L07532L07536L07540L07548L07560L075

72L07584L07596L075

120L075

2525252525252525252525252525252525

25252525

________________

120166

202236270343

1819202122232425262728303236404860

728496

120

9F9F9F9F9F9F9F9F9F9F9F9F9F9F9F

10F10

10777

54.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02

109.15121.28145.53181.91

218.30254.68291.06363.83

2828282828282828282828282842424242

42505050

53.856.859.962.965.969.072.075.078.181.184.190.296.3

108.4120.5144.8181.2

217.5253.9290.3363.1

606467707579798386869197

102115128150_

____

0.240.280.330.380.450.520.580.640.710.790.861.041.211.411.862.503.00

4.005.206.507.60

11081108110811081108110811081108110811081108110811081610161016101610

1610201220122012

2525252525252525252525252525252525

25323232

________________

9292

9292

106106

3/8” Pitch Pulleys for 1” wide Belts. Ref. L100

18L10019L10020L10021L10022L10023L10024L10025L10026L10027L10028L10030L10032L10036L10040L10048L10060L100

72L10084L10096L100

120L100

3131313131323232323232323232323232

32323232

383845454852525460606571758696

120166

202236270343

1819202122232425262728303236404860

728496

120

5F5F5F5F5F5F5F5F5F5F5F5F5F5F5F

14F12

10101010

54.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8990.9697.02

109.15121.28145.53181.91

218.30254.68291.06363.83

2828282828282828282828323242424242

50505050

53.856.859.962.965.969.072.075.078.181.184.190.296.3

108.4120.5144.8181.2

217.5253.9290.3363.1

606467707579798386869197

102115128150_

____

0.250.310.360.410.470.530.600.670.730.800.870.981.181.421.702.702.40

4.406.007.108.50

11081108110811081108110811081108110811081108121012101610161016101610

2012201220122012

________________

9292

9292

106106

2222222222222222222222252525252525

32323232

All dimensions in mm. For Taper Bush dimensions refer page 25.

dp do M A

FL

Type 9F

Type 8F

Type 7

Type 5F

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:53 Page 35

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Taper Bore Pulleys for‘H’ Series Timing Belts

16H10018H10019H10020H10021H10022H10023H10024H10025H10026H10027H10028H10030H10032H10036H10040H10044H10048H100

60H10072H10084H10096H100

120H100

161819202122232425262728303236404448

60728496

120

64.6872.7776.8180.5584.8988.9492.9897.02

101.06105.11109.15113.19121.28129.36145.53161.70177.87194.04

242.55291.06339.57388.08485.10

5F5F5F5F5F5F5F5F5F5F5F5F5F

17F17F17F10F10F

121212

77

CatalogueNo.

No.Teeth

Z

PulleyType

PitchCircle

Diameterdp

TaperBushSize

MaxBore

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

RimDiameter

N

1/2” Pitch Pulleys for 1” wide Belts. Ref. H100

Approx.Weight

kg

64.6872.7776.8180.5584.8988.9492.9897.02

101.06105.11109.15113.19121.28129.36145.53161.70177.87194.04

242.55291.06339.57388.08485.10

110812101210121012101210161016101610161016101610161016101610161020122012

20122012201225172517

283232323232424242424242424242425050

5050506060

63.371.475.479.583.587.691.695.799.7

103.7107.8111.8119.9128.0144.2160.3176.5192.7

241.2289.7338.2386.7483.7

70798387919397

102106112115120128135150168184200

_____

313131313232323232323232323232323232

3434343434

222525252525252525252525252525253232

3232324545

_____________

809292

106106

929292

106106

45525660646770747782859098

106121138152169

223270318366462

0.881.061.231.331.431.631.851.932.072.302.402.532.933.063.924.956.205.30

7.509.00

10.0013.8022.00

1/2” Pitch Pulleys for 11/2” wide Belts. Ref. H150

18H15019H15020H15021H15022H15023H15024H15025H15026H15027H15028H15030H15032H15036H15040H15044H15048H150

60H15072H15084H15096H150

120H150

1819202122232425262728303236404448

60728496

120

5F5F5F5F5F5F5F5F5F5F5F5F

17F17F17F17F17F

1212121212

72.7776.8180.5584.8988.9492.9897.02

101.06105.11109.15113.19121.28129.36145.53161.70177.87194.04

242.55291.06339.57388.08485.10

12101210121012101210161016101610161016101610161016101610161020122012

20122012201225172517

3232323232424242424242424242425050

5050506060

71.475.479.583.587.691.695.799.7

103.7107.8111.8119.9128.0144.2160.3176.5192.7

241.2289.7338.2386.7483.7

798387919397

102106112115120128135150168184200

_____

4545454545454545454545454545454545

4646464646

2525252525252525252525252525253232

3232324545

____________

809292

106106

929292

106106

525660646770747782859098

106121138152169

223270320366462

1.451.551.701.872.072.282.502.712.993.153.393.864.375.506.808.508.80

9.0011.0013.0017.0025.00

1/2” Pitch Pulleys for 2” wide Belts. Ref. H200

18H20019H20020H20021H20022H20023H20024H20025H20026H20027H20028H20030H20032H20036H20040H20044H20048H200

60H20072H20084H20096H200

120H200

1819202122232425262728303236404448

60728496

120

5F5F5F5F5F5F5F5F5F5F5F5F5F

17F17F17F17F

1212121212

72.7776.8180.5584.8988.9492.9897.02

101.06105.11109.15113.19121.28129.36145.53161.70177.87194.04

242.55291.06339.57388.08485.10

12101210161016101610161016101610161016101610161020122012201220122517

25172517251725172517

3232424242424242424242425050505060

6060606060

71.475.479.583.587.691.695.799.7

103.7107.8111.8119.9128.0144.2160.3176.5192.7

241.2289.7338.2386.7483.7

798387919397

102106112115120128135150168184200

_____

5858585858585858585858585858585858

6060606060

2525252525252525252525253232323245

4545454545

_____________

102106106119

119119119119119

525660646770747782859098

106121140150168

223270318366462

1.651.902.112.232.452.712.973.323.613.904.104.745.607.108.40

10.508.60

11.0014.0015.0020.3028.00

1/2” Pitch Pulleys for 3” wide Belts. Ref. H300

20H30021H30022H30023H30024H30025H30026H30027H30028H30030H30032H30036H30040H30048H300

60H30072H30084H30096H300

120H300

2021222324252627283032364048

60728496

120

13F13F13F13F13F13F13F13F13F13F13F13F13F12F

1212121212

80.5584.8988.9492.9897.02

101.06105.11109.15113.19121.28129.36145.53161.70194.04

242.55291.06339.57388.08485.10

16151615161516151615161516152012201220122517251725172517

25172517251730303030

4242424242424250505060606060

6060607575

79.583.587.691.695.799.7

103.7107.8111.8119.9128.0144.2160.3192.7

241.2289.7338.2386.7483.7

87919397

102106112115120128135150168200_____

8484848484848484848484848486

8686868686

3838383838383832323245454545

4545457676

____________

119119

119119119150150

65656770747782859098

106121138168

223270318366462

3.103.323.674.004.404.795.205.405.607.007.809.90

12.2011.40

13.3019.0020.0027.0033.00

All dimensions in mm. For details of Taper Bushes refer to page 25.

Types 10/10F

Type 11F

Type 17F

Type 12/12F

dp doF/L

A M N

Type 13F

dp do

F

A M N

L

dp do

F

A M N

L

dp do

F

N

L

A

dp do

F

M

L

NA

36

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The ‘AT’ series of Polyurethane belts have increased tooth widthand higher strength tension members than the ‘T’ Series.The increased tooth size with resultant increased stiffness improvesmeshing with pulley teeth and enables transmission of higer powers. Increased strength tension members improve pitch accuracy and also increase power capacity. Both improvementsresult in an increase of power transmission capacity of approx 50%.Quieter operation, as a result of improved tooth meshing, andreduced polygonal effect plus ability to use narrower section belts,is combined with improved positional accuracy of power transmission, with linear accuracy better than ± 0.1mm/Metre beltlength.

Polyurethane belts are suitable for drives in a wide variety ofmachinery including Office machinery, Machine Tools, Pumps,Textile Machinery, Printing Machinery, Paper manufacturers, downto precision Camera drives and servo mechanisms.

AT10

T10

AT5

T5

T2.5

Polyurethane Timing BeltsPolyurethane Timing Belts are offered in three standard metric pitches, 2.5mm, 5mm, and 10mm, and also standardimperial pitch, 1/5” (XL). In addition to the standard singlesided belts, double sided belts with moulded teeth on bothsides of the belt can be supplied (T5 and T10 only) formultishaft, serpentine drives and some conveyorapplications.The metric belts are offered in two designs ‘T’and ‘AT’ series both using steel tension cords encased in thepolyurethane jacket with integral drive teeth. The methodof manufacture ensures close control of pitch length, whichcombined with the inelastic properties of the steel tensionmember create a belt drive with high positional accuracyresulting in these belts being popular for instrument drives,robotics, and servo mechanisms. The imperial pitch beltsuse Kelvar tension members for increased strength andflexibility making them suited to higher power applications.The metric series belts can be also supplied with Kelvartension member if required. Polyurethane has excellentresistance to mineral oils, greases and many slight acidicsolutions, it is basically non marking and resistant tocrumbling making it suitable for food and cigeretteprocessing machines, and for paper handling in officeequipment. Polyurethane belts can be used on applicationswith enviromental temperature range -30°C, to 80°C, withbelt speed up to 80 m/sec. In addition to the standard beltlisted on page 39, open ended belt can be supplied for mostconstructions and widths, and fitted with weldedattachments for conveying applications and positional rackdrives, refer to page 45 for further details. The low inertia ofthe belts and alunimum pulleys plus accurate pitching makeboth the endless and open ended belt ideal for the highacceleration rates encountered in robotics.The highflexibility of the polyurethane belt enables crossed drives tobe achieved (shafts at right angles), where reasonable lengthcentres exist and narrow width belts are used. Both highshaft speeds and power capablities can be achieved with the‘T’ and ‘AT’ series of belts. The T2.5, T5, and AT5 belts are allable to run at up to 40,000 r.p.m with AT5 belts transmitting15kW. The T10 and AT10 belts, can operate to 15,000 r.p.mwith power capacity to 70kW, and higher powers of up to200kW can be achieved with 20mm pitch AT 20 beltsavailable to special order.

1010 100 10000.01

1.0

10

100

Standard Belt Power Ratings

PO

WE

R R

ATIN

G k

W

10,000

SHAFT SPEED r.p.m.

0.1

AT Series Polyurethane Timing Belts

Belt SizeWidth x Pitch

Max. AllowableBelt Tension N.

Min. No. TeethDrive Pulley

Min dia of Idler Pulley mm

6T2.510T516T525T5

16T1025T1032T1050T1010AT516AT5 25AT5

25AT1032AT1050AT10

65330570930

1100180023003800490840

1100350047507750

1010101012121212151515151515

1530303060606060606060

120120120

Design limits for standard Polyurethane Timing Belts.

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:53 Page 37

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The most important factor considered when selecting a Polyurethane“T” or “AT” series belt is the tooth shear strength. The calculation ofPower capacity is based on the specific shear strength of each tooth inmesh relative to the belt width in cms. The maximum tooth shearstrength Fs must not be exceeded. Values for tooth shear strength areshown in the table at foot of the page. The ‘AT’ series belts offer ahigher tooth strength due to the larger tooth cross section. The highpitch accuracy of Polyurethane belts allows for up to 12 teeth to sharethe drive loads. Other factors which should be considered in beltselection are the number of teeth on the small pulley and diameters oftensioners/idlers pulleys. The drive design should also ensure that themaximum working load does not exceed maximum allowable tensionof the members Fm.

In order to make a selection it is first neccessary to compile together the following relevant design parameters

a) Power to be transmitted P. kWb) Speed of fastest shaft N1 r.p.m.c) Drive ratio required, i - reduction or speed increase.d) Maximum pulley diameters which can be accomodated.e) Type of driver and driven equipment.f ) Shaft diameters and centre distance A

Selection of Belt Pitch and Width.

1) The size of Belt selected must always ensure maximum toothshear and tensile strengths are not exceeded, and that pulley sizes meet their critera. Under start-up conditions normal running torques can be exceeded by 2-2.5 times with electric motors, and this must be allowed for in the calculation.Peak loads caused by oscillating and torsional loads can be up to1.7 times mean torque loads, and design factor f1* should consider this. Emergency braking systems may impose the maximum torque in the application.Speed increase drives impose heavier shock conditions, and afactor needs to be applied to cover these as below :-i = 1 to 1.5 f2 = 1.1i = 1.5 to 2.5 f2 = 1.2i = 2.5 + f2 = 1.3

* Values for f1 can be found on page 4 , Table 1.

The total design factor fd = f1 + f2 or start-up overload factor fswhich ever is highest

The design Power Pd = P x fd or fs

Using graph on page opposite select suitable belt size to transmit thedesign power at the shaft speed N1 r.p.m.

2. Select number of teeth in pulleys, by consideration of therestraints of maximum pulley diameter and shaft diameters.The minimum pulley pitch diameter should be at least twice shaft diameter. The minimum number of teeth on the pulleys is also constrained by the belt design, reference belt characteristics table opposite page.The actual pulley diameters can be obtained by referring to pulley dimension tables on pages 40-43 or by using formula.

Pitch dia pulley dp = Z.p mm`

The number of teeth in small and large pulleys can be determined from the drive reduction ratio i.

i = Z2

Z1

3) Determine the number of teeth in mesh on small pulley Zm

from formula

Zm = Z1 2` `

4) Determine belt tension from drive Power Pd or drive torque Md

FT = 1000.PdZ1.N1.p

or FT = 2000 Tddp

5) Determine belt width by consideration of belt tooth shear strength

belt width b = FTFs. Zm.

Polyurethane Belt DrivesSelection Procedure

Terms and Definitions :-A = centre distance pulley shafts mmb = belt width cmd = bore of pulley mmdp = pitch diameter of pulley mmfd = design factor fs = starting overload factor Fm = max. working tension in belt NFs = tooth shear resistance (see table below) N/cmFT = total linear force on belt Ni = drive ratio L = belt Length mmN1 = shaft speed - high speed shaft r.p.m.N2 = shaft speed - low speed shaft r.p.m.P = motor power k.wPd = design power k.wP = belt pitch mmZ1 = no teeth on small pulleyZ2 = no teeth on large pulleyZm = no teeth in mesh in small pulley

Pulley SpeedN r.p.m T2.5

(( _ Sin 1[ Z2 _ Z1

`. A

[

from power input

from torque input

cm

T5 T10 AT5 AT10

Value for Teeth Shear Resistance Fs N/cm

020406080

100200300400500600700800900

100011001200130014001500160017001800190020002200240026002800300032003400360038004000450050005500600065007000750080009000

1000012000150001800020000

9.038.728.488.288.107.957.397.016.716.486.286.115.975.835.715.615.515.415.335.255.175.105.044.974.914.804.704.604.514.434.364.284.224.154.093.953.823.703.603.513.423.333.263.112.992.772.502.282.15

24.0023.3822.8622.4122.0121.6520.2819.3018.5517.9317.4116.9616.5616.2015.8815.5815.3115.0614.8314.6114.4014.2114.0313.8513.6913.3813.1012.8412.5912.3712.1611.9611.7711.5911.4211.0310.6810.3610.079.819.569.339.118.728.37____

50.5049.0047.7046.6045.7044.8041.4039.1037.2035.7034.4033.3032.4031.5030.7030.0029.3028.7028.2027.6027.1026.7026.2025.8025.4024.6023.9023.3022.7022.2021.7021.2020.7020.3019.8618.9118.0617.2816.5815.9315.3314.7614.2413.2812.42_

___

35.334.934.534.133.833.532.030.929.829.028.227.526.826.325.725.224.824.323.923.523.222.822.522.221.921.320.820.319.819.419.018.618.317.917.616.916.215.615.014.514.013.513.112.311.6____

35.334.934.534.133.833.532.030.929.829.028.227.526.826.325.725.224.824.323.923.523.222.822.522.221.921.320.820.319.819.419.018.618.317.917.616.916.215.615.014.514.013.513.112.311.6____

73.572.471.470.569.668.765.062.159.557.455.553.752.250.849.548.347.246.245.244.343.442.641.841.040.339.037.836.635.534.533.632.731.931.130.328.526.925.524.223.021.820.819.817.916.3____

Select the next largest standard width for belt.If result from below formula for belt width gives impracticalresult rework selection sequence with next sizes of belt to obtain revised width.

6) Final chack belt tension maximum Fm is not exceeded i.e.

Fm ≥ FT

7) To determine belt length refer to paragraph 5 on page 3.

38

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39

T10-260*T10-340T10-370T10-390T10-400T10-410T10-440T10-450T10-480T10-500T10-530*T10-550T10-560T10-600T10-610T10-630*T10-650T10-660*T10-680T10-690T10-700T10-720*T10-730T10-750T10-780T10-800T10-810T10-840*T10-850T10-880T10-890T10-900T10-910T10-920*T10-950T10-960T10-970T10-980*T10-1010T10-1080T10-1110T10-1140T10-1150T10-1200T10-1210*T10-1240*T10-1250*T10-1300T10-1320*T10-1350*T10-1390T10-1400T10-1420*T10-1440T10-1450T10-1460T10-1500T10-1560T10-1610*T10-1700T10-1750T10-1780T10-1880*T10-1960T10-2250

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Standard Stock Polyurethane BeltsStandard belts are available in a number of stock widths asindicated below. For metric belts an individual belt referencenumber is obtained by prefixing the catologue reference shownin tables, by its width in mm. For example a 280mm long belt ofT5 construction with 12mm width has reference:

12T5-280belt width - construction - length

For imperial pitch belts, the references are as rubber belts butprefixed ‘U’, e.g. U150XL037. Other pitches, belt lengths andwidths can supplied to order. Contact Cross & Morse for furtherinformation.

Width Ref.

253750

U-XL Belt Widthsand Weights

Belt Width Weightgms/m

6.39.5

12.7

142128

Open ended and long lengthfabricated belts are also available.Refer to page 44 for further details.

489668

126

387754

101

1524483463

6 915

21

Belt Widths and Weights T & AT SeriesBeltType

T2.5T5T10AT5AT10

Belt Width mm

4 6 8 10 12 16 20 25 32 50 75

1219

27

1829584176

6012085

158

154

202

240

315

360

473Figures in Belt Width column for respective type of belt are weight gms/metrelength.Unshaded weights are Standard Stock width belts, shaded are to order only.

Cat. Ref.

T2.5-120T2.5-145T2.5-160T2.5-177T2.5-180T2.5-182T2.5-200T2.5-230T2.5-245T2.5-265T2.5-285T2.5-290T2.5-305T2.5-317T2.5-330T2.5-380T2.5-420T2.5-480T2.5-500T2.5-540T2.5-600T2.5-620T2.5-650T2.5-680T2.5-700T2.5-780T2.5-880T2.5-915T2.5-950T2.5-1185

2.5mm Pitch Belts - Ref. T2.5

Lengthmm No. Teeth

120.0145.0160.0177.5180.0182.5200.0230.0245.0265.0285.0290.0305.0317.5330.0380.0420.0480.0500.0540.0600.0620.0650.0680.0700.0780.0880.0915.0950.0

1185.0

485864717273809298

106114116122127132152168192200216240248260272280312352366380474

Cat. Ref.

U60-XLU70-XLU80-XLU90-XL

U100-XLU110-XLU120-XLU130-XLU140-XLU150-XLU160-XLU170-XLU180-XLU190-XLU200-XLU210-XLU220-XLU230-XLU240-XLU250-XLU260-XL

1/5” Pitch Belts -Ref. U-XL

Lengthmm No. Teeth

152.4177.8203.2228.6254.0279.4304.8330.2355.6381.0406.4431.8457.2482.6508.0533.4558.8584.2609.6635.0660.4

3035404550556065707580859095100105110115120125130

Cat. Ref.

T5-120T5-150T5-165T5-180T5-185T5-200T5-210T5-215T5-220T5-225T5-245T5-250T5-255T5-260T5-270T5-275T5-280T5-295T5-305T5-330T5-340T5-350T5-355T5-365T5-390T5-400T5-410*T5-420T5-425T5-440T5-445T5-450T5-455T5-460*T5-475T5-480T5-500T5-510T5-515T5-525T5-545T5-550T5-560T5-575T5-590*T5-610T5-620*T5-630T5-640T5-650T5-660T5-675T5-690T5-700T5-720T5-725T5-750*T5-765T5-780T5-815*T5-830T5-840T5-850T5-860*T5-885T5-900T5-940*T5-990T5-1075T5-1100*T5-1160T5-1200T5-1215T5-1275T5-1280T5-1315T5-1355T5-1380T5-1470T5-1500T5-1580T5-1955

5mm Pitch Belts - Ref. T5

Lengthmm No. Teeth

120150165180185200210215220225245250255260270275280295305330340350355365390400410420425440445450455460475480500510515525545550560575590610620630640650660675690700720725750765780815830840850860885900940990

10751100116012001215127512801315135513801470150015801955

243033363740424344454950515254555659616668707173788082848588899091929596

100102103105109110112115118122124126128130132135138140144145150153156163166168175172177180188198215220232240243255256263271276294300316391

Cat. Ref.

10mm Pitch Belts - Ref. T10

Lengthmm No. Teeth

260340370390400410440450480500530550560600610630650660680690700720730750780800810840850880890900910920950960970980

101010801110114011501200121012401250130013201350139014001420144014501460150015601610170017501780188019602250

2634373840414445485053555660616365666869707273757880818485888990919295969798

101108111114115120121124125130132135139140142144145146150156161170175178188196225

Cat. Ref.

AT5-225AT5-255AT5-275AT5-280AT5-300AT5-330AT5-340AT5-375AT5-390AT5-420AT5-450AT5-455AT5-480AT5-500AT5-525AT5-545AT5-600AT5-610AT5-630AT5-660AT5-670AT5-710AT5-720AT5-750AT5-780AT5-825AT5-860AT5-975AT5-1050AT5-1125AT5-1500AT5-2000

5mm Pitch Belts - Ref. AT5

Lengthmm No. Teeth

225255275280300330340375390420450455480500525545600610630660670710720750780825860975

1050112515002000

45515556606668757884909196

100105109120122126132134142144150156165172195210225300400

Cat. Ref.

AT10-370AT10-500AT10-560AT10-580AT10-600AT10-610AT10-660AT10-700AT10-730AT10-780AT10-800AT10-810AT10-840AT10-880AT10-890AT10-920AT10-960AT10-980AT10-1000AT10-1010AT10-1050AT10-1080AT10-1100AT10-1150AT10-1200AT10-1210AT10-1220AT10-1230AT10-1240AT10-1250AT10-1280AT10-1300AT10-1320AT10-1350AT10-1360AT10-1400AT10-1420AT10-1480AT10-1500AT10-1600AT10-1630AT10-1700AT10-1720AT10-1800AT10-1860AT10-1940

10mm Pitch Belts - Ref. AT10

Lengthmm No. Teeth

370500560580600610660700730780800810840880890920960980

1000101010501080110011501200121012201230124012501280130013201350136014001420148015001600163017001720180018601940

375056586061667073788081848889929698

100101105108110115120121122123124125128130132135136140142148150160163170172180186194

*These belt sizes are also available inDouble Sided construction suffix‘DD’ to Cat. No.

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Approx.Weight

kgCatalogue

No.

Pulleys for Metric PolyurethaneT2.5 and T5 Belts

Pulley TypesThe Pulley types referred to in tables are as drawings below.Suffix ‘F’ indicates pulley hasflanges. Std. Pulleys can be reworkedtocustomers bore andkeywaying requirement.

No.Teeth

ZPulleyType

PitchCircle

Diameterdp

Min.Bore

d

MaxBore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

2.5mm Pitch Pulleys for 6mm Wide Belt Ref. 6T2.5-

6 T2.5-126 T2.5-146 T2.5-156 T2.5-166 T2.5-186 T2.5-196 T2.5-206 T2.5-226 T2.5-246 T2.5-256 T2.5-266 T2.5-286 T2.5-306 T2.5-326 T2.5-366 T2.5-406 T2.5-446 T2.5-486 T2.5-60

12141516181920222425262830323640444860

0F0F0F0F1F1F1F1F1F1F1F1F1F1F1F1F1F11

9.5511.1411.9412.7314.3215.1215.9217.5119.1019.8920.6922.2823.8725.4628.6531.8335.0138.2047.75

4444444444446666668

4.56676.56.57788.599

10101314151722

16161616161616161616161616161616161616

13.015.015.016.017.518.020.023.023.023.025.025.028.032.036.038.042.0

––

9.010.611.412.213.814.615.417.018.519.320.121.723.324.928.131.334.537.747.2

9999

101010101010101010101010101010

13151516101011111213141416162022242634

.003

.004

.005

.005

.006

.007

.008

.010

.012

.013

.014

.016

.018

.020

.026

.032

.040

.048

.073

5mm Pitch Pulleys for 10mm Wide Belt Ref. 10T5-10 T5-10 10 T5-1210 T5-1410 T5-1510 T5-1610 T5-1810 T5-1910 T5-2010 T5-2210 T5-2410 T5-2510 T5-2610 T5-2710 T5-2810 T5-3010 T5-3210 T5-3610 T5-4010 T5-4210 T5-4410 T5-4810 T5-60

10121415161819202224252627283032364042444860

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

15.9219.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49

4446666666668888888888

578

10111314151517171719202224242626293242

15.018.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6

19.523.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_

__

15151515151515151515151515151515151515151515

21212121212121212121212121212121212121212121

8111316182022232426262630323438384040455065

.012

.016

.019

.021

.025

.031

.036

.038

.046

.054

.058

.062

.064

.071

.075

.088

.114

.138

.153

.170

.200

.308

5mm Pitch Pulleys for 16mm Wide Belt Ref. 16T5-

16 T5-10 16 T5-1216 T5-1416 T5-1516 T5-1616 T5-1816 T5-1916 T5-2016 T5-2216 T5-2416 T5-2516 T5-2616 T5-2716 T5-2816 T5-3016 T5-3216 T5-3616 T5-4016 T5-4216 T5-4416 T5-4816 T5-60

10121415161819202224252627283032364042444860

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

15.9219.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49

4446666666668888888888

578

10111314151517171719202224242626293242

15.018.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6

19.523.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_

__

27272727272727272727272727272727272727272727

8111316182022232426262630323438384040455065

.016

.022

.027

.030

.036

.044

.050

.054

.055

.077

.082

.086

.092

.094

.106

.124

.160

.195

.206

.230

.282

.432

21212121212121212121212121212121212121212121

5mm Pitch Pulleys for 25mm Wide Belt Ref. 25T5-

25 T5-10 25 T5-1225 T5-1425 T5-1525 T5-1625 T5-1825 T5-1925 T5-2025 T5-2225 T5-2425 T5-2525 T5-2625 T5-2725 T5-2825 T5-3025 T5-3225 T5-3625 T5-4025 T5-4225 T5-4425 T5-4825 T5-60

10121415161819202224252627283032364042444860

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

15.9219.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49

4446666668888888888888

578

10111314151517171719202224242626293242

15.018.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6

19.523.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_

__

36363636363636363636363636363636363636363636

8111316182022232426262630323438384040455065

.025

.032

.038

.042

.052

.063

.072

.078

.082

.110

.117

.121

.123

.127

.152

.177

.232

.278

.296

.327

.402

.617

30303030303030303030303030303030303030303030

All pulleys machined fromaluminium for low weightand inertia, and fitted asindicated with steel flanges.All dimensions in mm

Type 0F

dp do

F

d MA

L

Type 1

d Mdp do

F

L

L

F

d MA dp do

Type 1F

40

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Pulleys for Metric PolyurethaneT10 Belts

CatalogueNo.

No.Teeth

Z

PulleyType

Pitch CircleDia.dp

All pulleys machined fromaluminium for low weight andinertia, and fitted as indicatedwith steel flanges.All dimensions in mm

Pulley TypesThe Pulley types referred to in tables are as drawings below.Suffix ‘F’ indicates pulley hasflanges. Std. Pulleys can be reworkedto customers bore andkeywaying requirements.

Min.Bore

d

Max.Bore

d

Ouside Diameter

do

FlangeDia.

A

PulleyWidth

F

BoreLength

L

HubDia.M

Approx.Weight

kg

10mm Pitch Pulleys for 16mm Wide Belt Ref. 16T10

16 T10-1216 T10-1416 T10-1516 T10-1616 T10-1816 T10-1916 T10-2016 T10-2216 T10-2416 T10-2516 T10-2616 T10-2716 T10-2816 T10-3016 T10-3216 T10-3616 T10-4016 T10-4416 T10-4816 T10-60

1214151618192022242526272830323640444860

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

38.2044.5647.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49

101.86114.59127.32140.06152.79190.99

68888888888888

101010101616

4248515460666675838387919397

106120131_

__

2121212121212121212121212121212121212121

1821212326283034383939393939424552576272

36.342.745.949.155.458.661.868.274.577.780.984.187.293.6

100.0112.7125.4138.2150.9189.1

3131313131313131313131313131313131313131

28323235404446525860606060606570808895

110

0.080.110.120.140.170.190.210.260.290.310.360.370.400.440.490.630.771.001.091.70

10mm Pitch Pulleys for 16mm Wide Belt Ref. 16T10

10mm Pitch Pulleys for 25mm Wide Belt Ref. 25T10

25 T10-1225 T10-1425 T10-1525 T10-1625 T10-1825 T10-1925 T10-2025 T10-2225 T10-2425 T10-2525 T10-2625 T10-2725 T10-2825 T10-3025 T10-3225 T10-3625 T10-4025 T10-4425 T10-4825 T10-60

1214151618192022242526272830323640444860

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

38.2044.5647.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49

101.86114.59127.32140.06152.79190.99

68888888888888

101010101616

4248515460666675838387919397

106120131_

__

3030303030303030303030303030303030303030

1821212326283034383939393939424552576272

36.342.745.949.155.458.661.868.274.577.780.984.187.293.6

100.0112.7125.4138.2150.9189.1

28323235404446525860606060606570808895

110

0.100.140.160.180.230.250.280.340.390.420.480.540.550.640.690.871.071.351.522.34

4040404040404040404040404040404040404040

10mm Pitch Pulleys for 32mm Wide Belt Ref. 32T10-

32 T10-1832 T10-1932 T10-2032 T10-2232 T10-2432 T10-2532 T10-2632 T10-2732 T10-2832 T10-3032 T10-3232 T10-3632 T10-4032 T10-4432 T10-4832 T10-60

18192022242526272830323640444860

1F1F1F1F1F1F1F1F1F1F1F1F1F111

57.3060.4863.6670.0376.3979.5882.7685.9489.1395.49

101.86114.59127.32140.06152.79190.99

60666675838387919397

106120131_

__

55.458.661.868.274.577.780.984.187.293.6

100.0112.7125.4138.2150.9189.1

47474747474747474747474747474747

10101212121212121212121616161616

26283034383939393939424552576272

37373737373737373737373737373737

404446525860606060606570808895

110

0.260.280.320.400.480.530.570.600.640.740.851.071.321.611.933.00

10mm Pitch Pulleys for 32mm Wide Belt Ref. 32T10-

10mm Pitch Pulleys for 50mm Wide Belt Ref. 50T10

50 T10-1850 T10-1950 T10-2050 T10-2250 T10-2450 T10-2550 T10-2650 T10-2750 T10-2850 T10-3050 T10-3250 T10-3650 T10-4050 T10-4450 T10-4850 T10-60

18192022242526272830323640444860

1F1F1F1F1F1F1F1F1F1F1F1F1F111

57.3060.4863.6670.0376.3979.5882.7685.9489.1395.49

101.86114.59127.32140.06152.79190.99

60666675838387919397

106120131_

__

55.458.661.868.274.577.780.984.187.293.6

100.0112.7125.4138.2150.9189.1

10101212121212121212121616161616

26283034383939393939424552576272

56565656565656565656565656565656

404446525860606060606570808895

110

0.430.470.520.570.740.770.820.910.961.171.301.642.002.362.834.37

66666666666666666666666666666666

Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shafts should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance whichwill cause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 10 for additional information on drive installation.

Type 1

d Mdp do

F

L

L

F

d MA dp do

Type 1F

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Type 1

d Mdp do

F

L

L

F

d MA dp doType 1F

Approx.Weight

kgCatalogue

No.

Pulleys for Metric PolyurethaneAT 5 Belts

Pulley TypesThe Pulley types referred to in tables are as drawings below.Suffix ‘F’ indicates pulley hasflanges. Std. Pulleys can be reworkedto customers bore andkeywaying requirement.

No.Teeth

ZPulleyType

PitchCircle

Diameterdp

Min.Bore

d

MaxBore

d

OutsideDiameter

do

FlangeDiameter

A

PulleyWidth

F

BoreLength

L

HubDiameter

M

5mm Pitch Pulleys for 10mm Wide Belt Ref. 10AT 5

10AT5-1210AT5-1410AT5-1510AT5-1610AT5-1810AT5-1910AT5-2010AT5-2210AT5-2410AT5-2510AT5-2610AT5-2710AT5-2810AT5-3010AT5-3210AT5-3610AT5-4010AT5-4210AT5-4410AT5-4810AT5-60

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

446666666668888888888

23.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_

__

All pulleys machined fromaluminium for low weightand inertia, and fitted asindicated with steel flanges.All dimensions in mm

AT Series Timing PulleysDesigned to complete the power Transmission package for theenhanced power ‘AT’ series belts, are the Cross pilot bore stockpulleys for AT5 and AT10 belt drives. The ‘AT’ series belts provide increased power capacity in aPolyurethane belt by increasing the belt tooth size and also thetension members.The increased tooth width of AT series belts increases both thestrength and stiffness of the tooth improving meshing with thepulley’s also the longer flat surface of the teeth enables bettertransmission of radial loads.

Higher strength tension members improve pitch accuracyalong with increasing the tensile strength of the belt, whichcombined with the stronger teeth enables increase in powertransmitted by approx 50% over the ‘T’ series belts.The ‘AT’ belt design provides improved accuracy in linear drives, with reduced backlash when using standard pulleys.The longer tooth reduces polygon effect which combined withthe opportunity to reduce belt width enables reduction innoise levels.Cross offer AT5 and AT10 pulleys as standard, but can alsomanufacture to customers design including AT20.

121415161819202224252627283032364042444860

19.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49

79

10111314151517171719202223242626293242

18.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6

151515151515151515151515151515151515151515

212121212121212121212121212121212121212121

111416182022232426262630323436384040455065

.016

.019

.021

.025

.031

.036

.038

.046

.054

.058

.062

.064

.071

.075

.088

.114

.138

.153

.170

.200

.308

5mm Pitch Pulleys for 16mm Wide Belt Ref. 16AT 5

16AT5-1216AT5-1416AT5-1516AT5-1616AT5-1816AT5-1916AT5-2016AT5-2216AT5-2416AT5-2516AT5-2616AT5-2716AT5-2816AT5-3016AT5-3216AT5-3616AT5-4016AT5-4216AT5-4416AT5-4816AT5-60

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

446666666668888888888

23.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_

__

121415161819202224252627283032364042444860

19.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49

79

10111314151517171719202223242626293242

18.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6

272727272727272727272727272727272727272727

111416182022232426262630323436384040455065

.022

.027

.030

.036

.044

.050

.054

.055

.077

.082

.086

.092

.094

.106

.124

.160

.195

.206

.230

.282

.432

212121212121212121212121212121212121212121

5mm Pitch Pulleys for 25mm Wide Belt Ref. 25AT 5

25AT5-1225AT5-1425AT5-1525AT5-1625AT5-1825AT5-1925AT5-2025AT5-2225AT5-2425AT5-2525AT5-2625AT5-2725AT5-2825AT5-3025AT5-3225AT5-3625AT5-4025AT5-4225AT5-4425AT5-4825AT5-60

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

446666668888888888888

23.025.028.032.032.036.036.038.042.044.044.048.048.051.054.064.066.570.0_

__

121415161819202224252627283032364042444860

19.1022.2823.8725.4628.6530.2431.8335.0138.2039.7941.3842.9744.5647.7550.9357.3063.6666.8470.0376.3995.49

79

10111314151517171719202223242626293242

18.221.423.024.627.829.431.034.137.438.940.642.243.746.950.156.462.866.069.275.594.6

363636363636363636363636363636363636363636

111416182022232426262630323436384040455065

.032

.038

.042

.052

.063

.072

.078

.082

.110

.117

.121

.123

.127

.152

.177

.232

.278

.296

.327

.402

.617

303030303030303030303030303030303030303030

42

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Pulleys for Metric PolyurethaneAT10 Belts

CatalogueNo.

No.Teeth

Z

PulleyType

Pitch CircleDia.dp

All pulleys machined fromaluminium for low weight andinertia, and fitted as indicatedwith steel flanges.All dimensions in mm

Pulley TypesThe Pulley types referred to in tables are as drawings below.Suffix ‘F’ indicates pulley hasflanges. Std. Pulleys can be reworkedto customers bore andkeywaying requirements.

Min.Bore

d

Max.Bore

d

Ouside Diameter

do

FlangeDia.

A

PulleyWidth

F

BoreLength

L

HubDia.M

Approx.Weight

kg

10mm Pitch Pulleys for 16mm Wide Belt Ref. 16T10

16 AT10-1516 AT10-1616 AT10-1816 AT10-1916 AT10-2016 AT10-2216 AT10-2416 AT10-2516 AT10-2616 AT10-2716 AT10-2816 AT10-3016 AT10-3216 AT10-3616 AT10-4016 AT10-4416 AT10-4816 AT10-60

151618192022242526272830323640444860

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

47.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49

101.86114.59127.32140.06152.79190.99

888888888888

101010101616

515460666675838387919397

106120135_

__

212121212121212121212121212121212121

202326283034383939393939424552576272

45.949.155.458.661.868.274.577.780.984.187.293.6

100.0112.7125.4138.2150.9189.1

313131313131313131313131313131313131

3135404446525860606060606570808895

110

0.120.140.170.190.210.260.290.310.360.370.400.440.490.630.771.001.091.70

10mm Pitch Pulleys for 16mm Wide Belt Ref. 16AT10

10mm Pitch Pulleys for 25mm Wide Belt Ref. 25AT10

151618192022242526272830323640444860

1F1F1F1F1F1F1F1F1F1F1F1F1F1F1F111

47.7550.9357.3060.4863.6670.0376.3979.5882.7685.9489.1395.49

101.86114.59127.32140.06152.79190.99

888888888888

101010101616

515460666675838387919397

106120135_

__

303030303030303030303030303030303030

212326283034383939393939424552576272

45.949.155.458.661.868.274.577.780.984.187.293.6

100.0112.7125.4138.2150.9189.1

3235404446525860606060606570808895

110

0.160.180.230.250.280.340.390.420.480.540.550.640.690.871.071.351.522.34

404040404040404040404040404040404040

18192022242526272830323640444860

1F1F1F1F1F1F1F1F1F1F1F1F1F111

57.3060.4863.6670.0376.3979.5882.7685.9489.1395.49

101.86114.59127.32140.06152.79190.99

60666675838387919397

106120135_

__

55.458.661.868.274.577.780.984.187.293.6

100.0112.7125.4138.2150.9189.1

47474747474747474747474747474747

10101212121212121212121616161616

26283034383939393939424552576272

37373737373737373737373737373737

404446525860606060606570808895

110

0.260.280.320.400.480.530.570.600.640.740.851.071.321.611.933.00

10mm Pitch Pulleys for 32mm Wide Belt Ref. 32AT10-

10mm Pitch Pulleys for 50mm Wide Belt Ref. 50AT10

18192022242526272830323640444860

1F1F1F1F1F1F1F1F1F1F1F1F1F111

57.3060.4863.6670.0376.3979.5882.7685.9489.1395.49

101.86114.59127.32140.06152.79190.99

60666675838387919397

106120135_

__

55.458.661.868.274.577.780.984.187.293.6

100.0112.7125.4138.2150.9189.1

10101212121212121212121616161616

26283034383939393939424552576272

56565656565656565656565656565656

404446525860606060606570808895

110

0.430.470.520.570.740.770.820.910.961.171.301.642.002.362.834.37

66666666666666666666666666666666

Pulley InstallationCorrect and accurate installation of Timing Drives is essential. Pulley alignment and shaft parallelism is very important as misalignment ofthe drive will cause unequal loading across the belt width and edge wear of belt on flanges. Pulley alignment can be checked by placing astraight edge against the outside edge of the pulleys and adjusting so contact made evenly across both pulleys.The shafts should be located within a rigid framework, as any distortion under load could result in a reduction of centre distance whichwill cause jumping of belt on pulley teeth. If idlers are used they must be locked firmly into position after correct belt tensioning. Refer to page 10 for additional information on drive installation.

25 AT10-1525 AT10-1625 AT10-1825 AT10-1925 AT10-2025 AT10-2225 AT10-2425 AT10-2525 AT10-2625 AT10-2725 AT10-2825 AT10-3025 AT10-3225 AT10-3625 AT10-4025 AT10-4425 AT10-4825 AT10-60

32 AT10-1832 AT10-1932 AT10-2032 AT10-2232 AT10-2432 AT10-2532 AT10-2632 AT10-2732 AT10-2832 AT10-3032 AT10-3232 AT10-3632 AT10-4032 AT10-4432 AT10-4832 AT10-60

50 AT10-1850 AT10-1950 AT10-2050 AT10-2250 AT10-2450 AT10-2550 AT10-2650 AT10-2750 AT10-2850 AT10-3050 AT10-3250 AT10-3650 AT10-4050 AT10-4450 AT10-4850 AT10-60

Type 1

d Mdp do

F

L

L

F

d MA dp do

Type 1F

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Special Belt BackingsTo assist in the movement of many products there is a range ofspecialist materials which can be bonded to the back of all sizesof Polyurethane Belts. Thickness up to 15mm enable profilingof the backing to transport special shapes, such as drawingtube from extrusion process. Materials available with coefficient of friction varying for 0.3µto 1.3µ and hardness 70° ShA down below 35° ShA, includingopen cellular materials which accomodate profile changes.Materials include polyurethane in various grades and hardnessvalues, Linatex, Neoprene for haul - off applications, PVC,Natural Rubbers and Silicon Rubber in flat finish on honeycomb construction for higher grip.Materials, profiles and constructions are available to cater foralmost every application.

Open Ended and SpecialConstruction Polyurethane Timing Belts

Open ended belts are manufactured in a continous processwith the steel tension members running parallel to the edges.The belts are manufactured in standard 50 metre rolls, butlonger lengths are available to request. The open ended beltsare normally used for reciprocating linear motions such asrobotics.The open ended belts can also be used to produce long lengthendless belts which are produced using an automated, precision cut vee finger joint which is weld joined. Thestrength of the join is by the polyurethane, but due to the largecontact area loads uo to 50% of the belt capacity can still betransmitted, whilst excellent flexibility and smooth running areretained, The joined belts are mainly used on Conveyor applications, and the addition of welded attachments and special backing materials extends application opportunities.

Linear DrivesSyncronised movements and alignment of goodsis an essential elementin automated handlingsystems.

Conveyor SystemsFor conveyor applications the belts can be used in standardwelded endless form to transport items in a horizontal plane,or for inclined applications or where positioning is required awide range of polyurethane profiles is available forpermanent welding to the timing belt back surface. Profilescan also be developed for specific applications. Flighted beltsensure positive movement of products with accurate locationproviding an option to attachment Roller Chain.

T5T10AT5AT10AT20XLLH

Belt Type Pitch p H1 H2 K B°

5.0010.005.00

10.0020.005.089.53

12.70

2.204.502.705.008.002.253.504.30

1.202.501.202.505.001.251.902.30

1.803.502.505.00

10.001.353.204.40

4040505050504040

T5T10AT5AT10AT20XLLH

Belt Type Pitch p H1 H2 K B°

5.0010.005.00

10.0020.005.089.53

12.70

2.204.502.705.008.002.253.504.30

1.202.501.202.505.001.251.902.30

1.803.502.505.00

10.001.353.204.40

4040505050504040

T5

T10

AT5

AT10

AT20

Belt Type 6

Standard Widths Metric Belts - width in mm10 16 25 32 50 75 100 150 200

••••

•••••

•••••

•••••

••••

••

•• •

XL

L

H

Belt Type 025

Standard Widths Imperial Belts - width in 0.01”031 037 050 075 100 150 200

•••

• • ••

•••

•••

•• •

Standard Tooth Forms available

Conveying SystemsPrecise control and synchronisation inthe transportationand positioningof goods.

Consult Cross and Morse for the best solution to your conveying application

H1

P

ß°

H2

K

44

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__

_

f

f

f

f

f

f

f

f

6

810

XL

Timing Belt Clamping Platesand Timing Bars

Clamping Plates for HTD Belts

Timing Belt Clamping PlatesFor the simple retention of open ended timing belts used on conveyingor reciprocating drives, a standard range of clamping plates is availablefor all the heavier pitch belts. Manufactured in aluminium, these clamping plates provide accurate, location of the belts.

Belt PitchSize

F d B A S

L (Belt Width Code)

20 30 40 50 55 85 115 170

C

8M

14M

8

10

9

11

5

9

66

116

15

22

45 55

71

75

86

110

116 146 201

Clamping Plates for Classical Series Belts

Belt PitchSize

F d B A S

L (Belt Width Code)

025

C

L

H

5.5

911

3.5

59

42.5

76.6106.9

8

1522

037 050 075

25.5 28.5

3945

4551

51.557.5

6

8

Clamping Plates for ‘T’ Series Belts

Belt PitchSize

F d B A S

L (Belt Width Code)

10

5.5

9

3.2

5

41.8

80

8

15

16 25 32 50

T5

T10

35

41

29

57 75

6

8

Clamping Plates for ‘AT’ Series Belts

Belt PitchSize

F d B A S

L (Belt Width Code)

10

C

5.5

9

3.2

5

41.8

80

8

15

16 25 32 50

AT5

AT10

35

41

29 44

50 57 75

Timing BarsFor extra wide belt drives and to manufacture special pulleys. Available intooth sizes indicated in following table of standard bar sizes.

No.Teeth XL L T2.5 T5 T10

No.Teeth

Belt Type Belt Type

XL L T2.5 T5 T10

ccccddeeeeeffffffffffff

eefffffffffffff__f__f

_______________________

_

1011121314151617181920212223242526272829303233

__

a

aaaaaaabbbc

c

cccccc

_

_

_

_

cccceeeeeeffffffffffff_

eeeefffffffffff

f

f

ff

_

_

34353637383940414243444546485056606570728090100

fff

fffffff

f

ff

f

___

__

_

__

_

cdd

e

e

e

ee

ef

ffff

ff

_

_

_

_

_

_

_

_

_

fffff

f

f

fffff

f

ffff

_

_

_

_

__

_

__

_

__

_

_

All sizes indicated available in aluminium.XL and L sizes also available in steel.

Bar Size I L

50

90

125

132

140

160

75

120

140

140

140

160

C

44

50

_

_

_

_

_a

b

c

d

e

f

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Timing Belt Catalogue_Cross + Morse 13/12/2010 17:54 Page 45

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New Platinum Belts fromCross+MorseThe new Platinum is a rubber based timing belt, which solvesthe problems related to steel and aramide cords, thanks to thedevelopment and usage of its cutting edge "Dual Core" hybridcord technology. Platinum reach the highest level ofperformances incorporating this cord in a new rubber matrixand covering the teeth with a special and unique heavy fabric.

FeaturesThanks to the special combination of materials used, Platinumis a reliable, lower maintenance and economical alternative todrive systems with chains and gears; it's particularlyrecommended for efficient, compact drives with high or pulsetorque loads, offering:l Increased basic power capacity by up to 40% compared to

the current RPP Gold;l Use of existing RPP® pulleys, maintaining a full functional

interchange with other deep pulley profile systems, likeHTD, etc.

l Allows existing drives to be upgraded without the necessityto replace the pulleys, just the belt itself.

l Reduction of noise by reduced belt widths due to the higherperformance rating of the system. Under the sametransmission conditions, Platinum has the same noise levelof RPP Gold;

l Low noise characteristics compared to drive systems usingpolyurethane, steel etc. due to the rubber matrix and itsteeth with the parabolic profile shape, recognised as thequietest system on the market

l A wide, continuous range of possible operating temperature,like no other system, which makes Platinum the onlysolution for extreme working conditions.

The Belt BodyAn innovative design and blend of HNBR elastomers, uniquelycross-linked to increase teeth rigidity and shear resistance, upto +25% in comparison to Gold belts.Despite the high levels of rigidity and hardness, thiscompound guarantees an exceptional resistance to flex fatigue,preventing the appearance of cracks when working with verysmall pulleys.

Tests made have showed an incredible improvement in the flexfatigue resistance up to 10 times more than the previous Goldversion, running on the smallest pulley diameters under thesame load conditions.

Furthermore this compound is formulated to considerablyresist the effects of mineral oils (test conditions 22h at 100°C inASTM3 oil; -25% less absorption then Gold), offering anincredible wide range of working temperatures: from -35° C to+ 115° C.

Tension MembersThe tensile member is made out of the "Dual Core" hybrid cordtechnology and it constitutes the load carrying elements insidethe New Platinum belt.The "Dual Core" technology gives excellent characteristics tothis cord, which gives to Platinum extreme dimension stabilityunder static and dynamic tensions, joined with a superior flexfatigue resistance.These performances can eliminate any kind of re-tensioningprocedure, providing a real maintenance-free operation andguaranteeing always a perfect tooth meshing for long lastingservice with reduction of abrasion, vibrations and noise.

The higher elastic modulus of Platinum, on average 25% morerigid than Gold, and its superior flexibility, allows consequentlymore compact drives and durability.

Tooth Facing FabricA hard-wearing polyamide fabric is bonded to the toothsurface, to improve torque carrying capacity and tooth shearresistance. Its special surface impregnation process confers self-lubricating properties, a lower friction and increased driveefficiency.

Platinum belts are manufactured in 8 and 14 mm pitches;standard sizes are listed in the following table.

TYPE Pitch length(mm)

No of Teeth TYPE Pitch length(mm)

No of Teeth

248 RPC8 248 31 994 RPC14 994 71

288 RPC8 288 36 1092 RPC14 1092 78

352 RPC8 352 44 1120 RPC14 1120 80

416 RPC8 416 52 1190 RPC14 1190 85

456 RPC8 456 57 1260 RPC14 1260 90

480 RPC8 480 60 1400 RPC14 1400 100

544 RPC8 544 68 1568 RPC14 1568 112

560 RPC8 560 70 1610 RPC14 1610 115

608 RPC8 608 76 1750 RPC14 1750 125

640 RPC8 640 80 1890 RPC14 1890 135

720 RPC8 720 90 1960 RPC14 1960 140

800 RPC8 800 100 2100 RPC14 2100 150

840 RPC8 840 105 2240 RPC14 2240 160

896 RPC8 896 112 2310 RPC14 2310 165

960 RPC8 960 120 2380 RPC14 2380 170

1000 RPC8 1000 125 2450 RPC14 2450 175

1040 RPC8 1040 130 2520 RPC14 2520 180

1120 RPC8 1120 140 2660 RPC14 2660 190

1200 RPC8 1200 150 2800 RPC14 2800 200

1224 RPC8 1224 153 3136 RPC14 3136 224

1280 RPC8 1280 160 3304 RPC14 3304 236

1440 RPC8 1440 180 3360 RPC14 3360 240

1600 RPC8 1600 200 3500 RPC14 3500 250

1760 RPC8 1760 220 3850 RPC14 3850 275

1792 RPC8 1792 224 3920 RPC14 3920 280

2000 RPC8 2000 250 4326 RPC14 4326 309

2200 RPC8 2200 275 4410 RPC14 4410 315

2240 RPC8 2240 280

2400 RPC8 2400 300

2520 RPC8 2520 315

2600 RPC8 2600 325

2800 RPC8 2800 350

2840 RPC8 2840 280

3048 RPC8 3048 361

3600 RPC8 3600 450

4000 RPC8 4000 500

4400 RPC8 4400 550

Platinum 8M Platinum 14M

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Eliminate low temperature

Increase the diameter of the pulleys oruse belts and pulleys of smaller pitch

Eliminate the moisture

Refer to factory for special belt

Use a higher capacity belt

Increase the diameter of the pulleys

Restore the initial centre distance andstrengthen the bearings

Causes of Premature Belt Failure

Number of teeth in mesh less than six

Excessive load

Timing Belt Trouble Shooting Guide

When a timing belt drive is correctly designed and installed - with proper consideration given to design factors for service conditions - premature failure should not occur. If problems are encountered the table below may help identify the cause and suitable corrective action. In addition to problems shown less apparent causes of drive failure may exist, such as excessive reversebending, sub-minimum diameter idler, etc; and for complete assurance in determining cause of failure and correct remedy it isalways advisable to consult a drive specialist.

Mode of Failure Probable Causes Corrective Action

Exposure to excessively high temperatures(over + 100°C) or oil contamination

Reduction of centre distance due tobearings not being firmly fixed

Apparent elongation of the belt

Reinstall the flanges properly

Align pulleys

Belt overriding the flanges Faulty installation of the flanges

Misalignment of pulleys

Excessive wear of pulley teeth Excessive overloading

Belt excessively taut

Pulley material insufficiently hard

Use a higher capacity drive

Reduce the centre distance

Harden the pulley surface

Abnormal wear of the belt:a) on the side of the tooth

Belt excessively taut

Excessive overloading

Incorrect contour or diameter of pulley

Excessive installation tension

Incorrect diameter of pulley

Incorrect contour or diameter of pulley

Misalignment or wrong setting of pulleys

Oscillation of the axes and/or thebearings

Flanges bent

Reduce centre distance

Use a wider belt

Replace pulley after checking

Reduce centre distance

Replace pulley after checking

Replace pulley after checking

Correct the positioning of the pulleys

Reinforce the bearing mountings

Replace flanges

Failure through traction or throughlaceration of the teeth, indicatingcorrosion of the tension member

Shearing of belt teeth

Rupture of tension member

Breaks or cracks in the topsurface of the belt

Exposure to excessively low temperatures(below - 25°C)

Softening of the top surface ofthe belt

Diameter of pulley too small

Excessive moisture

Acid or caustic atmosphere

Excessive load

Diameter of pulley below minimum

Drive excessively noisy Pulleys out of line

Excessive installation tension

Excessive load

Diameter of pulley below minimum

Air trapped in belt

Align pulleys

Reduce the centre distance

Use a higher capacity drive

Increase the diameter of the pulleys

Change to Metric Series belt drive

b) on the bottom of the tooth

c) at the tooth root

d) on the side of the belt

Eliminate the high temperature or reducethe amount of oil present

Increase the pulley diameters or usebelts and pulleys of smaller pitch

Use a higher capacity bel

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Formulae and Conversion Factors

1. Motor Power (kw) P = T � n9550

2. Torque (Nm) T = 9550Pn

3. For Solid Cylinder Inertia (kg m2) I = md2

� 10-4 = � lqd4

� 10-6

800 32000

4. For Hollow Cylinder Inertia (kg m2) I = m(da2 � di2 ) � 10-4 = � lq (da4 � di4)

� 10-6

800 32000

5. Flywheel Inertia GD2 (kp m2) d 4 � I

6. Acceleration Torque (Nm) Ta = 0.105 It (n2 � n1)

ta

7. Total drive Torque (Nm) Tt = Ta + TL

alsoTt = KTs + TL

where K = IL + It

1 + K Id

8. Tooth & Belt/Chain drive speed m/Sec V =Z � p � n

60,000

9. Pull in Belt/chain (N) FL =P � 1000

V

10. Centrifugal Pull Belt/Chain FC = WV2

Useful formulae in Power Transmission Calculations

Whered = diameter - mm p = chain/belt pitch - mmda = outside diameter - mm P = Power - kwdi = inside diameter - mm q = density - kg/cm3

Fc = Centrifugal - Newtons ta = time acceleration - secsFL = Load (Power) Pull - Newtons T = Torque - NmI = Inertia - kgm2 Ta = Acceleration Torque - NmId = Inertia of Driver - kgm2 TL = Load Torque - NmIL = Inertia of Load - kgm2 Ts = Motor Starting Torque - NmIt = Total Inertia - kgm2 Tt = Total Torque - Nml = length - mm V = Velocity - m/Secm = mass - kg W = Weight - kg/mn = rotational speed - r.p.m. Z = No. Teeth in Pulleyn2 �n1 = change in speed - r.p.m.

Conversion Factors

LENGTH mm � 0.03937 = INCHES � 25.4 = mmMETRES � 3.2808 = FEET � 0.3048 = METRES

WEIGHT kg � 2.2046 = POUND f � 0.4536 = kg

FORCE N (Newton) � 0.2248 = POUND f � 4.4482 = NN (Newton) � 0.1019 = kg f � 9.807 = N

TORQUE Nm � 0.7376 = lb f ft � 1.356 = Nmkgfm � 9.8066 = Nm � 0.1019 = kgfm

POWER kW � 1.341 = HP � 0.7457 = kWkW � 1.3596 = PS � 0.7355 = kW

INERTIA kgm2 � 23.7304 = lb f ft2 � 0.04214 = kgcm2

kgcm2 � 10-4 = kg m2 � 10,000 = kgcm2

kgcm2 � 0.3417 = lb in2 � 2.9264 = kgcm2

GD2kpm � 0.25 = kg m2 � 4.0 = kpm

Timing Belt Catalogue_Cross + Morse 13/12/2010 17:55 Page 48

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Metric Standard Boresand Keyways

49

Imperial Keyway Dimensions to BS 46 Pt. 1 - 1958

Metric Keyway Dimensions to BS 4235 Pt. 1 - 1972

All dimensions in inches

Diameter of Shaft Key Keyway to Shaft Keyway in hub NominalKeyway

Over Up to Width Thickness Width Depth Width Depth radius

and Key Size W T Ws H Wh h& Key

including W X T Max. Min. Max. Min. Min. Max. Min Max. Min. Max. Min. Max.chamfer

1/4 1/2 1/8 x 1/8 0.127 0.125 0.127 0.125 0.124 0.125 0.072 0.078 0.125 0.126 0.060 0.066 0.010

1/2 3/4 3/16 x 3/16 0.190 0.188 0.190 0.188 0.187 0.188 0.107 0.113 0.188 0.189 0.088 0.094 0.010

3/4 1 1/4 x 1/4 0.252 0.250 0.252 0.250 0.249 0.250 0.142 0.148 0.250 0.251 0.115 0.121 0.010

1 1.1/4 5/16 x 1/4 0.314 0.312 0.253 0.250 0.311 0.312 0.146 0.152 0.312 0.313 0.112 0.118 0.010

1.1/4 1.1/2 3/8 x 1/4 0.377 0.375 0.253 0.250 0.374 0.375 0.150 0.156 0.375 0.376 0.108 0.114 0.010

1.1/2 1.3/4 7/16 x 5/16 0.440 0.438 0.315 0.312 0.437 0.438 0.186 0.192 0.438 0.439 0.135 0.141 0.020

1.3/4 2 1/2 x 5/16 0.502 0.500 0.315 0.312 0.499 0.500 0.190 0.196 0.500 0.501 0.131 0.137 0.020

2 2.1/2 5/8 x 7/16 0.627 0.625 0.441 0.438 0.624 0.625 0.260 0.266 0.625 0.626 0.185 0.191 0.020

2.1/2 3 3/4 x 1/2 0.752 0.750 0.503 0.500 0.749 0.750 0.299 0.305 0.750 0.751 0.209 0.215 0.020

3 3.1/2 7/8 x 5/8 0.877 0.875 0.629 0.625 0.874 0.875 0.370 0.376 0.875 0.876 0.264 0.270 0.062

3.1/2 4 1 x 3/4 1.003 1.000 0.754 0.750 0.999 1.000 0.441 0.447 1.000 1.001 0.318 0.324 0.062

4 5 1.1/4 x 7/8 1.253 1.250 0.879 0.875 1.248 1.250 0.518 0.524 1.250 1.252 0.366 0.372 0.062

5 6 1.1/2 x 1 1.504 1.500 1.006 1.000 1.498 1.500 0.599 0.605 1.500 1.502 0.412 0.418 0.062

6 7 1.3/4 x 1.1/4 1.754 1.750 1.256 1.250 1.748 1.750 0.740 0.746 1.750 1.752 0.526 0.532 0.125

7 8 2 x 1.3/8 2.005 2.000 1.381 1.375 1.998 2.000 0.818 0.824 2.000 2.002 0.573 0.579 0.125

8 9 2.1/4 x 1.1/2 2.255 2.250 1.506 1.500 2.248 2.250 0.897 0.905 2.250 2.252 0.619 0.627 0.125

9 10 2.1/2 x 1.5/8 2.505 2.500 1.631 1.625 2.498 2.500 0.975 0.983 2.500 2.502 0.666 0.674 0.187

10 11 2.3/4 x 1.7/8 2.755 2.750 1.881 1.875 2.748 2.750 1.114 1.122 2.750 2.752 0.777 0.785 0.187

11 12 3 x 2 3.006 3.000 2.008 2.000 2.998 3.000 1.195 1.203 3.000 3.002 0.823 0.831 0.187

Shaft Key Keyway

Diameter Width x Tolerances for class of fit width W depth

Thickness nominal normal fit tol. close fit shaft hubOver to WxT width shaft hub shaft& hub H hmm mm mm mm mm mm mm mm mm

6 8 2 x 2 2 -.004 + .012 -.006 1.2 + 0.1 1.0 + 0.1

8 10 3 x 3 3 -.029 -.012 -.031 1.8 + 0.1 1.4 + 0.1

10 12 4 x 4 4 0 +.015 -.012 2.5 + 0.1 1.8 + 0.

12 17 5 x 5 5 -.030 -.015 -.042 3.0 + 0.1 2.3 + 0.1

17 22 6 x 6 6 3.5 + 0.1 2.8 + 0.1

22 30 8 x 7 8 0 +.018 -.015 4.0 + 0.2 3.3 + 0.2

30 38 10 x 8 10 -.036 -.018 -.051 5.0 + 0.2 3.3 + 0.2

38 44 12 x 8 12 5.0 + 0.2 3.3 + 0.2

44 50 14 x 9 14 0 +.021 -.018 5.5 + 0.2 3.8 + 0.2

50 58 16 x 10 16 -.43 -.021 -.061 6.0 + 0.2 4.3 + 0.2

58 65 18 x 11 18 7.0 + 0.2 4.4 + 0.2

65 75 20 x 12 20 7.5 + 0.2 4.9 + 0.2

75 85 22 x 14 22 0 +.026 -.022 9.0 + 0.2 5.4 + 0.2

85 95 25 x 14 25 -.052 -.026 -.074 9.0 + 0.2 5.4 + 0.2

95 110 28 x 16 28 10.0 + 0.2 6.4 + 0.2

110 130 32 x 18 32 11.0 + 0.2 7.4 + 0.2

130 150 36 x 20 36 12.0 + 0.3 8.4 + 0.3

150 170 40 x 22 40 0 +.031 -.026 13.0 + 0.3 9.4 + 0.3

170 200 45 x 25 45 -.062 -.031 -.088 15.0 + 0.3 10.4 + 0.3

200 230 50 x 28 50 17.0 + 0.3 11.4 + 0.3

230 260 56 x 32 56 0 +.037 -.032 30.0 + 0.3 12.4 + 0.3

260 290 63 x 32 63 -.074 -.037 -.106 20.0 + 0.3 12.4 + 0.3

All keyways cut will be to normal fit tolerances to dimensions in above tables unless otherwise specified. Where hub diameters restrict size of key itis common practice to use shallow keys to conform to DIN 6885 Sheet 3.

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Power Transmission ProductsRoller Chain DrivesTiming Belt DrivesSilent Chain DrivesClamping ElementsOverload ClutchesTorque LimitersMounted BearingsStieber FreewheelsShaft CouplingsSprag ClutchesTensionersSprocketsPulleysGears

Shady Lane, Great Barr, Birmingham, England B44 9EUTelephone: +44(0) 121 360 0155Sales Direct: +44(0) 121 325 2500Facsimilie: +44(0) 121 325 1079Email: [email protected]: www.crossmorse.com

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