THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4904

NA 4904 Machined Needle Roller Bearing

Specifications of NA 4904 Machined Needle Roller Bearing


DesignationsNA4904
Dimensions(mm)d20
D37
B17
C
r1,20.3
F25
Basic load ratings(KN)Basic load ratings (dynamic)(C)21,17
Basic load ratings (static)(C0)26,88
Fatigue load limit (Pu)3,28
Speed ratings(r/min)Speed ratings (Reference speed)15 000
Speed ratings (Limting speed)17 000
Mass(kg)0,075