THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4907

NA 4907 Machined Needle Roller Bearing

Specifications of NA 4907 Machined Needle Roller Bearing


DesignationsNA4907
Dimensions(mm)d35
D55
B20
C–
r1,20.6
F42
Basic load ratings(KN)Basic load ratings (dynamic)(C)31,3
Basic load ratings (static)(C0)51,8
Fatigue load limit (Pu)6,6
Speed ratings(r/min)Speed ratings (Reference speed)9 500
Speed ratings (Limting speed)11 000
Mass(kg)0,17