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

QJ309

45

100

25

1.5

51

93.6

76.5

5600

7500

1.05