>> P.428
Table2SealSpecificationModelcodeCRBHV… ACRBFV… ACRBCCRB… ACRBTCRBTF… ACRBSCRBSCRBS… A… VNoSymbol〇〇〇〇〇〇〇-〇UU〇〇〇〇---〇〇U--〇〇---〇〇Table3ClearanceSpecificationModelcodeT1C1C2NoSymbolCRBHV… ACRBFV… ACRBCCRB… ACRBTCRBTF… ACRBSCRBSCRBS… A… V〇〇〇〇--〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇-----------〇〇〇Table4AccuracyClassModelcodeCRBHV… ACRBFV… ACRBCCRB… ACRBTCRBTF… ACRBSCRBSCRBS… A… VNoSymbolP6RP6P5RP5P4RP4P2RP2〇〇〇〇〇〇〇〇〇〇〇〇〇-----〇〇〇〇-----〇〇〇〇-----〇〇〇〇-----J7■DynamicEquivalentLoadPr=XFr+()ThedirectionofbasicdynamicloadratingofCrossedRollerBearingistheradialdirection.Whenaloadinanydirectionotherthanthedirectionofbasicdynamicloadratingoracomplexloadisapplied,calculatethedynamicequivalentloadtocalculatetheratinglife. 2M+YFa …………………(1) Dpwwhere, Pr: Dynamicequivalentradialload, N Fr: Radialload, N Fa: Axialload, N M: Moment, N-mmDpw: Pitchcirclediameterofrollerset,mm2 Y X: Radialloadfactor(RefertoTable5.): Axialloadfactor(RefertoTable5.)()Dpw≒ d+DFig.1LoaddirectionTable5RadialloadfactorandaxialloadfactorConditionsFaFr+2M/Dpw ≦1.5FaFr+2M/Dpw >1.5X1Y0.450.670.67■StaticEquivalentLoadP0r=Fr+ThedirectionofbasicstaticloadratingofCrossedRollerBearingistheradialdirection.Whenaloadinanydirectionotherthanthedirectionofbasicstaticloadratingoracomplexloadisapplied,calculatethestaticequivalentloadtocalculatethestaticsafetyfac-tor. 2M+0.44Fa …………………(2) Dpwwhere, P0r: Staticequivalentradialload, N Fr: Radialload, N Fa: Axialload, N MDpw: Pitchcirclediameterofrollerset, mm2 ()Dpw≒ d+D: Moment, N -mm
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