TAPER ROLLER BEARINGS
Taper Roller Bearings
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Taper Roller Bearings
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Taper Roller Bearing Components
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Geometry
BearingaxisApex
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Dimension Series
Diameter seriesWidth series
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Shaft TolerancesShaftShaft diameter
tolerancesdiameter(Nominalg6h6j6k6m6n6p6bearing
borediameter)Adjusted values for bearing with inch
dimensionsoverincl.highlow highlow highlow highlow highlow highlow
highlow
mmm
1018+47+101+18+7+22+11+28+17+33+22+39+281830+49+112+20+7+26+13+32+19+39+26+46+333050+313+124+23+7+30+14+37+21+45+29+54+38
5076,2+415+145+26+7+35+16+44+25+53+34+65+4676,280+109+20+1+32+13+41+22+50+31+59+40+71+5280120+1111+23+1+36+14+48+26+58+36+68+46+82+60
120180+1114+250+39+14+53+28+65+40+77+52+93+68180250+1514+30+1+46+17+63+34+76+47+90+61+109+80
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Housing TolerancesHousingHousing bore
tolerancesborediameter(NominalH7J7J6K6K7M6M7N7P7bearing out-side
diameter)Adjusted values for bearing with inch
dimensionsoverincl.highlow highlow highlow highlow highlow highlow
highlow highlow highlow mmm
2430+37+16+28+7+24+11+18+5+22+1+121+165+912+2193050+42+17+31+6+27+11+20+4+241+133+178+9160255080+48+18+36+6+31+12+22+3+273+136+1812+921333
80120+56+21+43+8+37+15+25+3+314+157+2114+1124338120150+62+22+48+8+40+15+26+1+346+1411+228+1030646150180+65+25+51+11+43+18+29+4+373+178+2515+1327343
180250+71+25+55+9+47+18+30+1+388+1712+2521+1135854
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Load CapabilityLoadconditionsAngleseries
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Design range for Taper Roller BearingsSingle row bearingDouble
row bearingFour-row bearingBack-to-back arrangementDesignation
suffix DBFace-to-face arrangementDesignation suffix DFTDO
configurationTDI configurationTQO configurationTQI
configuration
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Roller Forces
Qe=Outer ring/roller contact force
Qi=Inner ring/roller contact force
Qf=Roller/flange contact force
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Effects of Axial and Radial Loads
QR = External radial loadQA = Internal induced axial load
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Life Performance
Calculated lifeBearing settingLoad
distributionPreloadClearance102525102525
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Roller End/Flange ContactOuter ringInner
ringRoller/flangecontact pointSlidingRoller
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Stress Distribution in Raceway Contact
light loadheavy loadheavy load+misalignmentstraightcircular
crowninglogarithmic crowning
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Application: Commercial Vehicle
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Application: Worm Gearbox
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Application: Double Reduction Final Drive Unit
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Application: Cone Crusher
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Application: Work Roll in Cold Strip Rolling Mill
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Check Machine Drawings and Fits
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Preparation for Efficient Dismounting
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Before Fitting Bearings
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Matched Set Arrangement
Face-to-facearrangementDesignation suffix
DFBack-to-backarrangementDesignation suffix
DBTandemarrangementDesignation suffix DT
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Fitting in Wheel Hub: Cold Mounting
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Fitting in Wheel Hub: Cone Assembly
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Fitting in Wheel Hub: Apply Nut
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Fitting in Wheel Hub: Dial Gauge
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Fitting on Rotating Shaft: Tight FitAxial clearance
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Fitting on Rotating Shafts: Face-to-FaceShimsCover
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Fitting on Rotating Shafts: Back-to-Back
Telescopic sleeveDistance sleeveLarger
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