>> P.192
D53MACHINEDTYPENEEDLEROLLERBEARINGSShaftdia.mm(inch)IdentificationnumberMass(Ref.)gBoundarydimensionsmm(inch)dDCBFwS(1)WithInnerRing,InchSeriesNotes(1)Allowableaxialshiftamountofinnerringtoouterring(2)Maximumpermissiblecornerradiusoftheshaftorhousing(3)Allowablerotationalspeedappliestooillubrication.Forgreaselubrication,amaximumof60%ofthisvalueisallowable.Remarks1. Inbearingswithabearingborediameter,d,of57.150mmorless,theouterringhasanoilgrooveandanoilhole.Inbearingswithabearingborediameter,d,of76.200mmorless,theinnerringhasanoilgrooveandanoilhole.Inothers,theinnerringandtheouterringeachhaveanoilgrooveandtwooilholes.2.Nogreaseisprepacked.Performproperlubrication.44.450(13╱4)73585544.450(1 3╱4)44.450(1 3╱4)76.200(3)76.200(3)38.100(1 1╱2)44.450(1 3╱4)57.150(2 1╱4)57.150(2 1╱4)1138.35044.700BRI284824BRI28482850.800(2)81094550.800(2)50.800(2)82.550(3 1╱4)82.550(3 1╱4)38.100(1 1╱2)44.450(1 3╱4)63.500(2 1╱2)63.500(2 1╱2)1138.35044.700BRI325224BRI32522857.150(21╱4)885104057.150(2 1╱4)57.150(2 1╱4)88.900(3 1╱2)88.900(3 1╱2)38.100(1 1╱2)44.450(1 3╱4)69.850(2 3╱4)69.850(2 3╱4)1138.35044.700BRI365624BRI36562863.500(21╱2)965113063.500(2 1╱2)63.500(2 1╱2)95.250(3 3╱4)95.250(3 3╱4)38.100(1 1╱2)44.450(1 3╱4)76.200(3)76.200(3)1138.35044.700BRI406024BRI40602869.850(23╱4)1520174069.850(2 3╱4)69.850(2 3╱4)107.950(4 1╱4)107.950(4 1╱4)44.450(1 3╱4)50.800(2)82.550(3 1╱4)82.550(3 1╱4)1.5344.70051.050BRI446828BRI44683276.200(3)186076.200(3)114.300(4 1╱2)50.800(2)88.900(3 1╱2)351.050BRI48723282.550(31╱4)198082.550(3 1╱4)120.650(4 3╱4)50.800(2)95.250(3 3╱4)351.050BRI52763288.900(31╱2)212088.900(3 1╱2)127.000(5)50.800(2)101.600(4)351.050BRI568032Shaftdia.44.450-88.900mm
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