>> P.240
Identification numberMass (Ref.) Boundary dimensionsmmCrrdJEwDrrNAG49(d≦17)ROLLER BEARINGSCaged Roller BearingsFull Complement Roller BearingsShaft dia. 10-35mmShaftdia.mmFull complement typeCaged typed10101212151515171717202020202525252830303032353535D22222424282833303034373738384242444547474852555556(1)rs min0.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.60.60.60.6JEw15.515.518.518.51717212119.522.522.521.524242525202024242725.525.529.531.531.532.532.529.529.530.537373831.539.53434353840404041.541.542.546494949C13131313131320131325171720251717253017173030202030g25.524.528.527.53836.580.54139.576.57696.512289.589154173103102197260172168270──────TRU 153320────TRU 173425100─NAU 4902──NAU 4903──NAU 4904NAG 4900──NAU 4900NAG 4901──NAU 4901TRU 203820TRU 203825───TRU 284530──TRU 254425─NAU 4905───TRU 304830─NAU 4906──TRU 325230──TRU 355630─NAU 4907─NAG 4907──NAG 4902──NAG 4903──NAG 4904───NAG 4905───NAG 4906───10121517202528303235Notes(1)Minimum allowable value of chamfer dimension r(2) llowable rotational speed applies For grease Considering that the axial load acts under practical operating conditions, up to 1/10 of this value is recommended for actual use.lubrication, a maximum of 60% of lubrication. this value to oil is allowable. Remarks1. he NAG and NAU series with a bore diameter d of 17 mm or less have no oil hole. In others, the outer ring has an oil groove and two oil holes.2.No grease is prepacked. Perform proper lubrication.E7
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