THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4903

NA 4903 Machined Needle Roller Bearing

Specifications of NA 4903 Machined Needle Roller Bearing


DesignationsNA4903
Dimensions(mm)d17
D30
B13
C
r1,20.3
F22
Basic load ratings(KN)Basic load ratings (dynamic)(C)11,17
Basic load ratings (static)(C0)15,65
Fatigue load limit (Pu)1,92
Speed ratings(r/min)Speed ratings (Reference speed)18 000
Speed ratings (Limting speed)20 000
Mass(kg)0,037