>> P.38
A35MeasurementmethodsAccuracyanddefinitionsSingleborediameterofrollingelementcomplementFastenthemastergaugetoasurfaceplate.Positionthebearingonthemastergaugeandapplytheindicatorintheradialdirectionnearthemiddleofthewidthontheringoutsidesurface.Measuretheamountofmovementoftheouterringintheradialdirectionbyapplyingsufficientloadontheouterringinthesameradialdirectionasthatoftheindicatorandintheoppositeradialdirection.Recordindicatorreadingsattheextremeradialposi-tionsoftheouterring.Rotatethebearingandrepeatthemeasurementinseveraldifferentangularposi-tionstodeterminethelargestandthesmallestread-ings,FwsmaxandFwsmin.MeasuringloadMastergaugeFwsSingleborediameterofrollercomplementFwsminSmallestsingleborediameterofrollercomplement∆BsDeviationofasingleinnerringwidthInradialbearingswithoutinnerrings,thedistancebetweentwoparallelstraightlinestouchingtheintersectionoftheinscribedcircleofrollercomplementandtheradialplane.Inradialbearingswithoutinnerrings,theminimumvalueofthesingleborediameterofrollercomplement.Remarkiameterofacylinderwherethesmallestsingleborediameterofrollercomplementhaszeroradialclearanceinatleastoneradialdirection.Deviationofsingleinnerringwidthandnominalinnerringwidth.∆Bs=Bs-BVBsVariationofinnerringwidthDeviationofthemaximumandminimumvaluesofthesingleinnerringwidthforindividualinnerrings.VBs=Bsmax-Bsmin∆CsDeviationofasingleouterringwidthDeviationofsingleouterringwidthandnominalouterringwidth.∆Cs=Cs-CVCsVariationofouterringwidthDeviationofthemaximumandminimumvaluesofthesingleouterringwidthforindividualouterrings.VCs=Csmax-CsminOuterringwidthBearingheightInnerringwidthZerothegaugeindicatortotheappropriateheightfromthereferencesurfaceusinggaugeblocksoramaster.Supportonefaceoftheinnerorouterringonthreeequallyspacedfixedsupportsofequalheightandprovidetwosuitableradialsupportsontheboreoroutsidesurfacesetat90°toeachothertocentretheinnerorouterring.Positiontheindicatoragainsttheotherfaceoftheringoppositeonefixedsupport.Rotatetheinnerorouterringonerevolutionandmeasureandrecordthelargestandthesmallestsingleinner(outer)ringwidth,BsmaxandBsmin,(CsmaxandCsmin).∆TsDeviationoftheactualbearingheightDeviationofactualbearingheightandnominalbearingheightofthethrustbearing.∆Ts=Ts-TTs:ActualbearingheightT:NominalbearingheightSupportthebearingonasurfaceplate.Zerothegaugeindicatortoanappropriateheightfromthesur-faceplateusinggaugeblocksoramaster.Placeaplateofknownthicknessonthebearingassembly,applyadynamicallystablecoaxialload,andpositiontheindicatoroverthecentreoftheplate.Rotatethehousingwasherseveraltimes,tobesuretoreachthesmallestheight,andtakeindicatorreadings.Diskmaster
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