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