THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4909 RS

NA 4909 RS Machined Needle Roller Bearing

Specifications of NA 4909 RS Machined Needle Roller Bearing


DesignationsNA4909RS
Dimensions(mm)d45
D68
B22
C22
r1,20.6
F52
Basic load ratings(KN)Basic load ratings (dynamic)(C)38,3
Basic load ratings (static)(C0)62,1
Fatigue load limit (Pu)7,6
Speed ratings(r/min)Speed ratings (Reference speed)
Speed ratings (Limting speed)3 800
Mass(kg)0,27