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