>> P.78
IdentificationnumberClosedendMass(Ref.)gStandardMass(Ref.)gClosedendMass(Ref.)gGreaseretainedMass(Ref.)g─────────20.535.5───────────────────YT1715YT1725──────────────────TLA1612ZTLA1616ZTLA1622Z10.914.820TLAM1612TLAM1616TLAM162212.216.121.5TLA1712Z11.5TLAM171213────────────────────TLA1812ZTLA1816Z1216.2TLAM1812TLAM181613.717.9───────────────────────────────────2227─19.52531────18.520.52325.526.532.525.531───TAM1616TAM1620─TAM1715TAM1720TAM1725────TAM1813TAM1815TAM1817TAM1819TAM1820TAM1825TAM1916TAM1920Mass(Ref.)g───2025─17.623.529────Standard───TA1616ZTA1620Z─TA1715ZTA1720ZTA1725Z────TA1813ZTA1815ZTA1817ZTA1819ZTA1820ZTA1825Z16.418.52123.524.530.5Shaftdia.mm16171819TA1916ZTA1920Z2329Shaftdia.16-19mmNote(1)Allowablerotationalspeedappliestooillubrication.Forgreaselubrication,amaximumof60%ofthisvalueisallowable.Remark ShellTypeGreaseRetainedFullComplementNeedleRollerBearingsareprovidedwithprepackedgrease.Standardtypeandclosedendtypebearingsarenotprovidedwithprepackedgrease,soperformproperlubricationwhenusingthesetypesofbearings.B11SHELLTYPENEEDLEROLLERBEARINGS