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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.
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Via Primo Agosto· 6828 Balerna· SwitzerlandP.O. Box 16· 6830 Chiasso 3· SwitzerlandPhone +41 91 260 09 30· Fax +41 91 260 09 [email protected]· www.rkbbearings.comVAT No. CHE-113.327.770
TECHNOLOGICAL BEARINGSENGINEERED IN SWITZERLAND
RKB BEARINGS FORTHE METALS INDUSTRY
CRITICAL ROLLING MILL WORK ROLL
• Four-rowtaperrollerbearings(TQIconfiguration)• Upto28inchinnerdiameter
Main RKB bearings:T3 Segment - Four-row taper roller bearings
• Forfinishingstandsofhotrollingmill• Suitableforlowspeedsandheavyloads• RKBSAE9315casehardeningsteelinRAVprotocol
Main RKB bearings:T3 Segment - Screw-down thrust bearings
SLAB CONVEYOR CHAIN OF HOT STRIP MILL
• Cr>750kNaccordingtoISO281• Anti-WearTechnology(AWT)forextendedservicelife• BainiteTreatmentforouterrings(HB2)• Reinforcedexecution
Main RKB bearings:T3 Segment - Double-row full complement cylindrical roller bearings
• Internal design evolution for improved rolling accuracy athighspeeds
• Cagedesign incorporatinga largenumberof rollersasanalternativetopiercedrollerversion
BACK-UP ROLLS OF ROLLING MILL STANDSMain RKB bearings:T3 Segment - Four-row cylindrical roller bearings
• Newgenerationbearingsforrollingmillstandwithautomaticrollchangingdevice
• Easymountinganddismounting• Better load distribution resulting in reduced edge contact
pressureandstressconcentration• Longerservicelifeandreliability
Main RKB bearings:T3 Segment - New generation multi-row cylindrical roller bearings
WORK ROLLS OF HOT ROLLING MILL STANDS
• Longlifeseriesbearings• PhosphateTreatmentforrings,rollersandspacers(PT4)• Increaseofrollingefficiencybystableoperation• Easierhandlingofseals
Main RKB bearings:T3 Segment - Sealed four-row taper roller bearings
ROLLING MILL DRIVE SHAFT BALANCING DEVICE
• Timesavingbearingreplacementinhard-to-reachpositions• Upto560mminnerdiameter• Manufacturingtechnologyandexpertisefortopreliability• Engineeredtoaccommodateprimarilyexternalradialloads
andpartiallyaxialloadsinbothdirections• Highloadcarryingcapacityduetolargenumberofspherical
rollerswiththelargestpossiblediameter
Main RKB bearings:T3 Segment - Spherical roller bearings
• Lowcross section spherical roller bearings for guide rolls ofcontinuousslabcastinginhotstripmills
• Upto170mmouterdiameter• Outofstandardwindow-typecage• StabilizingTreatmentforoperatingtemperaturesupto300°C
(S3)
Main RKB bearings:T3 Segment - Split spherical roller bearings
RESEARCH AND DEVELOPMENT ADVANCED MANUFACTURING TECHNOLOGY
PREMIUM QUALITY ROLLING BEARINGSMULTILEVEL QUALITY CONTROLS
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.
SCREW-DOWN MECHANISM
AUTOMATIC ROLL CHANGING DEVICE
GUIDE ROLLS OF CONTINUOUS SLAB CASTING MACHINE
RKB BEARINGS FORTHE METALS INDUSTRY
The Swiss Bearing Manufacturer
SERVICE AND ASSISTANCESPECIAL PROJECTS