THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4920

NA 4920 Machined Needle Roller Bearing

Specifications of NA 4920 Machined Needle Roller Bearing


DesignationsNA4920
Dimensions(mm)d100
D140
B40
C–
r1,21.1
F115
Basic load ratings(KN)Basic load ratings (dynamic)(C)122,5
Basic load ratings (static)(C0)271,6
Fatigue load limit (Pu)33,3
Speed ratings(r/min)Speed ratings (Reference speed)3 400
Speed ratings (Limting speed)4 000
Mass(kg)1,9