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 50info@rkbeurope.com· 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