THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 6903

NA 6903 Machined Needle Roller Bearing

Specifications of NA 6903 Machined Needle Roller Bearing


DesignationsNA6903
Dimensions(mm)d17
D30
B23
C
r1,20.3
F22
Basic load ratings(KN)Basic load ratings (dynamic)(C)18,33
Basic load ratings (static)(C0)29,28
Fatigue load limit (Pu)3,68
Speed ratings(r/min)Speed ratings (Reference speed)18 000
Speed ratings (Limting speed)20 000
Mass(kg)0,072