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