THB BEARINGS CO., LTD.
THB BEARINGS CO., LTD.
NA 4844

NA 4844 Machined Needle Roller Bearing

Specifications of NA 4844 Machined Needle Roller Bearing


DesignationsNA4844
Dimensions(mm)d220
D270
B50
C
r1,21.5
F240
Basic load ratings(KN)Basic load ratings (dynamic)(C)230,8
Basic load ratings (static)(C0)798,7
Fatigue load limit (Pu)78,2
Speed ratings(r/min)Speed ratings (Reference speed)1 700
Speed ratings (Limting speed)1 900
Mass(kg)6,35