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