THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4838

NA 4838 Machined Needle Roller Bearing

Specifications of NA 4838 Machined Needle Roller Bearing


DesignationsNA4838
Dimensions(mm)d190
D240
B50
C–
r1,21.5
F210
Basic load ratings(KN)Basic load ratings (dynamic)(C)213,4
Basic load ratings (static)(C0)695,8
Fatigue load limit (Pu)70,6
Speed ratings(r/min)Speed ratings (Reference speed)1 900
Speed ratings (Limting speed)2 200
Mass(kg)5,55