>> P.428
J7■DynamicEquivalentLoadThedirectionofbasicdynamicloadratingofCrossedRollerBearingistheradialdirection.Whenaloadinanydirectionotherthanthedirectionofbasicdynamicloadratingoracomplexloadisapplied,calculatethedynamicequivalentloadtocalculatetheratinglife.Pr=XFr+ 2M+YFa …………………(1) Dpwwhere, Pr: Dynamicequivalentradialload, N Fr: Radialload, N Fa: Axialload, N M: Moment, N-mmDpw: Pitchcirclediameterofrollerset,mmDpw≒ d+D2 X: Radialloadfactor(RefertoTable5.) Y: Axialloadfactor(RefertoTable5.)Fig.1Loaddirection■StaticEquivalentLoadThedirectionofbasicstaticloadratingofCrossedRollerBearingistheradialdirection.Whenaloadinanydirectionotherthanthedirectionofbasicstaticloadratingoracomplexloadisapplied,calculatethestaticequivalentloadtocalculatethestaticsafetyfac-tor.P0r=Fr+ 2M+0.44Fa …………………(2) Dpwwhere, P0r: Staticequivalentradialload, N Fr: Radialload, N Fa: Axialload, N M: Moment, N -mmDpw: Pitchcirclediameterofrollerset, mmDpw≒ d+D2 ()()()Table5RadialloadfactorandaxialloadfactorConditionsFaFr+2M/Dpw ≦1.510.450.670.67FaFr+2M/Dpw >1.5XYTable2SealSpecificationTable3ClearanceSpecificationTable4AccuracyClassModelcodeNoSymbolUUUCRBHV… A〇〇-CRBFV… A〇〇-CRBC〇〇〇CRB〇〇〇CRBT… A〇--CRBTF… A〇--CRBS〇--CRBS… A-〇〇CRBS… V〇〇〇ModelcodeT1C1C2NoSymbolCRBHV… A〇〇〇-CRBFV… A〇〇〇-CRBC〇〇〇-CRB〇〇〇-CRBT… A-〇--CRBTF… A-〇--CRBS〇〇-〇CRBS… A〇〇-〇CRBS… V〇〇-〇ModelcodeNoSymbolP6RP6P5RP5P4RP4P2RP2CRBHV… A〇〇〇〇〇CRBFV… A〇〇〇〇〇CRBC〇〇〇〇〇CRB〇〇〇〇〇CRBT… A〇----CRBTF… A〇----CRBS〇----CRBS… A〇----CRBS… V〇----
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