>> P.37
1N=0.102kgf=0.2248lbs.1mm=0.03937inchABCDEFGHIJKLMCalculatedmeanvalueofthemaximumandminimumvaluesofthesingleborediameterwithinaradialplane.dspmax+dspmindmp=2dsp:SingleborediameterinasingleplaneDeviationofmeanborediameternominalborediameter.∆dmp=dmp-dd:NominalbearingborediameterinasingleplaneandDeviationofthemaximumandminimumvaluesofthesingleborediameterwithinaradialplane.Vdsp=dspmax-dspminDeviationofthemaximumandminimumvaluesofmeanborediameterinasingleplane,forindividualracewayringswithessentiallycylindricalborediametersurfaces.Vdmp=dmpmax-dmpminDeviationofsingleborediameterandnominalborediameter.∆ds=ds-dds:Singleborediameter(distancebetweentwoparallelstraightlinestouchingtheintersectionofthesingleborediametersurfaceandtheradialplane)Calculatedmeanvalueofthemaximumandminimumvaluesofthesingleoutsidediameterwithinaradialplane.Dspmax+DspminDmp=2Dsp:SingleoutsidediameterinasingleplaneDeviationofmeanoutsidediameterinasingleplaneandnominaloutsidediameter.∆Dmp=Dmp-DD:NominalbearingoutsidediameterDeviationofthemaximumandminimumvaluesofthesingleoutsidediameterwithinaradialplane.VDsp=Dspmax-DspminDeviationofthemaximumandminimumvaluesofmeanoutsidediameterinasingleplane,forindividualracewayringswithessentiallycylindricaloutsidediametersurfaces.VDmp=Dmpmax-DmpminDeviationofsingleoutsidediameterandnominaloutsidediameter.∆Ds=Ds-DDs:Singleoutsidediameter(distancebetweentwoparallelstraightlinestouchingtheintersectionofthesingleoutsidediametersurfaceandtheradialplane)A34dmpMeanborediameterinasingleplane∆dmpDeviationofmeanborediameterinasingleplaneVdspVariationofborediameterinasingleplaneVdmpVariationofmeanborediameter∆dsDeviationofasingleborediameterDmpMeanoutsidediameterinasingleplane∆DmpDeviationofmeanoutsidediameterinasingleplaneVDspVariationofoutsidediameterinasingleplaneVDmpVariationofmeanoutsidediameter∆DsDeviationofasingleoutsidediameter1.2rsmax1.2rsmaxSingleborediameterZerothegaugeindicatortotheappropri-atesizeusinggaugeblocksoramasterring.Inseveralangulardirectionsandinasin-gleradialplane,measureandrecordthelargestandthesmallestsingleborediam-eters,dspmaxanddspmin,withinthemea-suringzone(excludingthezone1.2timestherespectivemaximumallowablecham-ferdimensionsoftheinnerringface).Repeatangularmeasurementsandrecord-ingsinseveralradialplanestodeterminethelargestandthesmallestsingleborediameter,dsmaxanddsmin.SingleoutsidediameterZerothegaugeindicatortotheappropri-atesizeusinggaugeblocksoramaster.Inseveralangulardirectionsandinasin-gleradialplane,measureandrecordthelargestandthesmallestsingleoutsidediameters,DspmaxandDspmin,withinthemeasuringzone(excludingthezone1.2timestherespectivemaximumallowablechamferdimensionsoftheouterringface).Repeatandrecordmeasurementsinsev-eralradialplanestodeterminethelargestandthesmallestsingleoutsidediameter,DsmaxandDsmin.1.2rsmax1.2rsmaxMethodsofMeasurement-2MeasurementofIKONeedleRollerBearingsisbasedonJISB1515-1,(Rollingbearings-Toleranc-es).Tables16and17showsomeexamplesofthemethods.tomeasureShellTypeSpecialmethodsareusedNeedleRollerBearings.Therefore,refertothesectiononaccuracyforthesebearingsonpageB3.Table16MeasurementmethodsofaccuracyofboundarydimensionsMeasurementmethodsAccuracyanddefinitions
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