THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
BK 4520

BK 4520 Drawn Cup Needle Roller Bearing

Specifications of BK 4520 Drawn Cup Needle Roller Bearing


DesignationsBK4520
Dimensions(mm)Fw45
D52
C20
r1,20.8
Basic load ratings(KN)Basic load ratings (dynamic)(C)24.7
Basic load ratings (static)(C0)57.6
Fatigue load limit (Pu)6.84
Speed ratings(r/min)Speed ratings (Reference speed)5,600
Speed ratings (Limting speed)6,300
Mass(kg)0.072