Four-point contact ball bearings   QJ 3

Bearing number

Dimensions
（mm）

Basic load ratings (KN)

Limiting speed (r/min)

Mass (Kg)

TCB

d

D

B

r min

a

Cr

Cor

Grease

Oil

QJ308

40

90

23

1.5

46

71.5

58.5

6300

8500

0.78