Four-point contact ball bearings   QJ 3 N2

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

QJ315 N2

75

160

37

2.1

82

199

186

3400

4500

3.90