Four-point contact ball bearings   QJ 2

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

QJ211

55

100

21

1.5

54

79.3

76.5

5300

7000

0.77