THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4912

NA 4912 Machined Needle Roller Bearing

Specifications of NA 4912 Machined Needle Roller Bearing


DesignationsNA4912
Dimensions(mm)d60
D85
B25
C
r1,21
F68
Basic load ratings(KN)Basic load ratings (dynamic)(C)59,3
Basic load ratings (static)(C0)110,6
Fatigue load limit (Pu)14
Speed ratings(r/min)Speed ratings (Reference speed)6 000
Speed ratings (Limting speed)6 700
Mass(kg)0,43