>> P.527
LforNeedleforCir-clipsThemountingdimensionsRollerBearingsareshowninthedimensiontable.WhenusingtheseCir-clipstorestrictthemovementoftheneedlerollercageintheaxialdirection,itisrec-ommendedthataspacerbeusedbetweentheCir-clipandthecage.Spacersarenotrequiredatlowrotationalspeeds.WhenitisdifficulttoreachCir-clipswithdismountingtoolsanddisassemblyisdifficult,orwhenthefre-quencyofdismountingishigh,itisnecessarytocon-sidertheuseofaretainingring(JISB2804),althoughtheyhaveahighersectionalheight.L18thegroove.Cir-clipsforNeedleRollerBearingsarefixedinthegroovewithacertainamountofpressureonthebot-tomofthecaseofCir-clipsforshaftWRtype,thecentrifugalforcecausesadecreaseinthegrippingpressure.Therefore,whenusingthemathighrotationalspeeds,isnecessarytofirstchecktheallowablerotationalspeedshowninFig.1.itIn20406080100120140160180Shaftdia.mmFig.1Allowablerotationalspeed7000060000500004000030000200001000080007000600050004000300020001000800700600500400300200100min-1Allowablerotationalspeedâ– AllowableRotationalSpeedâ– Mounting
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