THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
BK 4020

BK 4020 Drawn Cup Needle Roller Bearing

Specifications of BK 4020 Drawn Cup Needle Roller Bearing


DesignationsBK4020
Dimensions(mm)Fw40
D47
C20
r1,20.8
Basic load ratings(KN)Basic load ratings (dynamic)(C)22.99
Basic load ratings (static)(C0)50.88
Fatigue load limit (Pu)6.08
Speed ratings(r/min)Speed ratings (Reference speed)6,300
Speed ratings (Limting speed)7,000
Mass(kg)0.062