THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4911

NA 4911 Machined Needle Roller Bearing

Specifications of NA 4911 Machined Needle Roller Bearing


DesignationsNA4911
Dimensions(mm)d55
D80
B25
C
r1,21
F63
Basic load ratings(KN)Basic load ratings (dynamic)(C)56,1
Basic load ratings (static)(C0)102,8
Fatigue load limit (Pu)12,9
Speed ratings(r/min)Speed ratings (Reference speed)6 300
Speed ratings (Limting speed)7 000
Mass(kg)0,39