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

QJ304

20

52

15

1.1

25

29.6

20.0

10000

15000

0.18