>> P.240
E7ROLLERBEARINGSgdDCrsminJ(1)Notes(1)Minimumallowablevalueofchamferdimensionr(2) Allowablerotationalspeedappliestooillubrication.Forgreaselubrication,amaximumof60%ofthisvalueisallowable.Consideringthattheaxialloadactsunderpracticaloperatingconditions,upto1/10ofthisvalueisrecommendedforactualuse.Remarks1.heNAGandNAUserieswithaborediameterdof17mmorlesshavenooilhole.Inothers,theouterringhasanoilgrooveandtwooilholes.2.Nogreaseisprepacked.Performproperlubrication.Shaftdia.mmFullcomplementtypeCagedtypeMass(Ref.)IdentificationnumberEw25.524.528.527.53836.580.54139.510076.57696.512289.58915417310310219726017216827010121517202528303235NAG4900─NAG4901─NAG4902──NAG4903──NAG4904───NAG4905───NAG4906───NAG4907───NAU4900─NAU4901─NAU4902──NAU4903──NAU4904───NAU4905───NAU4906───NAU4907───────TRU153320──TRU173425──TRU203820TRU203825──TRU254425TRU284530──TRU304830TRU325230──TRU3556301010121215151517171720202020252525283030303235353522222424282833303034373738384242444547474852555556131313131313201313251717202517172530171730302020300.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.60.60.60.615.515.51717212119.522.522.521.52424252529.529.530.531.53434353840404018.518.5202024242725.525.529.531.531.532.532.537373839.541.541.542.546494949BoundarydimensionsmmNAG49(d≦17)Shaftdia.10-35mmCagedRollerBearingsFullComplementRollerBearingsDdJEwCrrrr
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