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The Alternative Power
Prin
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in S
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erla
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Heavy engineeringapplications
QUALITY CONFORMITY DATA SHEETS
GENERAL CATALOGUE
TECHNICAL REPORTS
TECHNICAL TABLES
INSPECTION CERTIFICATE DATA SHEETS MAIN TECHNICAL DATA SHEETS
GENERAL AND PARTS DRAWINGSTECHNICAL FICHES
LABORATORY ANALYSESRATING LIFE CALCULATIONS
CO-ENGINEERING PROJECTSTRACEABILITY REPORTS
RKB TECHNICAL DOCUMENTS
With a solid knowledge and extensive expertise in rolling bearings, RKB can provide you with a comprehensive engineering support for the reliability and suitability of your applications. Do not hesitate to contact our Technical Department through the worldwide network of RKB official partners and distributors.
Via Primo Agosto· 6828 Balerna· SwitzerlandP.O. Box 169· 6830 Chiasso 3· SwitzerlandPhone +41 91 260 09 30· Fax +41 91 260 09 [email protected]· www.rkbbearings.comVAT No. CH 682 866
ENGINEERED IN SWITZERLANDTECHNOLOGICAL BEARINGS
RKB BEARINGS FORHEAVY ENGINEERING APPLICATIONS
RKB BEARINGS FORHEAVY ENGINEERING APPLICATIONS
MAIN DRIVE UNIT OF TUNNEL BORING MACHINES
• Sphericalrollerbearingsfortunnelboringmachinemaindriveunit
• Bearings engineered to withstand heavy radial loads,moderate/hightorqueandvariablethrustforces
• Upto420mmouterdiameter• Designlife(L10h)≥15000h
Main RKB bearings:T3 Segment - Spherical roller bearings
CONVEYOR SYSTEM FOR TUNNEL BORING MACHINES
• Taperrollerbearingsforscrewconveyorhydraulicdrive• Upto360mminnerdiameterand680mmouterdiameter• Bearings engineered to withstand heavy loads at low
rotationalspeeds(max22rpm)• ToughRollerTechnologyforhighersafetyfactor(S0>4,0)
Main RKB bearings:T3 Segment - Taper roller bearings
VERTICAL LIFTING SYSTEMS FOR BRIDGE
• Radialloadonmainbearing>8000kN• Safetyfactor(S0)asperbridgedesignandsafetyspecifications• Rolling evaluated to the limits of elastohydrodynamic
contacts
Main RKB bearings:T3 Segment - Spherical roller bearings
PULP AND PAPER CALENDER MILL
• RKBVictoryLinepremiumclassbearingsforextendedservicelife
• Bigsizesphericalandcylindricalrollerbearings• Upto710mminnerdiameter
Main RKB bearings:T3 Segment - Spherical roller bearings
TUNNEL DRILLING MACHINES
• Thin sectionbig size single-row taper rollerbearings (designandexecutionforheavyloadapplications)
• Upto458mminnerdiameter• B10life>100000hasperminingspecifications
Main RKB bearings:T3 Segment - Single-row taper roller bearings
BRIDGE AND DAM LIFTING SYSTEMS
• Bigsizesphericalandcylindricalrollerbearings• Upto560mminnerdiameter• Safetyfactor(S0)>7consideringmaterialstressinlongterm
Main RKB bearings:T3 Segment - Spherical roller bearings
Main RKB bearings:T3 Segment - Double-row taper roller bearings with shields HEAVY LIFT DOCKSIDE CRANE WINCHES
• TDONASW series special execution for heavy lift cranewinches
• Hoistaxispullupto400tons• Upto200mminnerdiameter• C0r>1000kN
BOILER FOR POWER GENERATION
• Technological spherical roller thrust bearings and sphericalrollerbearingsforverticalrotorofbi-drumboilerregenerativeairpreheater
• Up to 950 mm inner diameter and bearing unit massexceeding2950kg
• Optimizedexecutionforheavyloadsatlowrotationalspeeds(3-5rpm)
Main RKB bearings:T3 Segment - Technological bearings
RESEARCH AND DEVELOPMENT ADVANCED MANUFACTURING TECHNOLOGY
PREMIUM QUALITY ROLLING BEARINGSMULTILEVEL QUALITY CONTROLS
SERVICE AND ASSISTANCESPECIAL PROJECTS
THE SWISS BEARING MANUFACTURER
TheRKBBearingIndustriesGroupistheSwissmanufacturingorganizationoperatinginthebearingindustryforover70years,withanareaof90.000sqm,135millioneurosoftangibleassets, and a monthly production capacity exceeding 350 tons of machined steel.Theexperiencegainedover the years providesRKBwith the know-howandexpertisenecessaryforthedevelopmentandproductionoftechnologicalvalued-addedbearingsupto1925mmouterdiameter,particularly fortheheavy industry.Thanksto itspioneerbusinessmodel,basedonaverticallyintegratedsystem,RKBoffersreliablecost-effectivesolutions,withextremeoperationalflexibility,leading-edgeservice,hugestockavailability(morethan35millioneurosofstandardandspecialrollingbearings),shortdeliverytimeandthetopqualitytypicalofaconsistentpremium-classbearingsource.Withaworldwidedistribution networkandexports tomore than 50 countries,RKB is globally recognizedas “The Alternative Power” inthebearingindustry.
