QJ330 four-point contact ball bearing 150x320x65mm(also called rolling mill bearing, same to QJ330N2, QJ330N2MPA) is used in rolling mills for the production of hot-rolled and cold-rolled steel products. For more information about QJ330 four-point contact ball bearing 150x320x65mm, contact us!
Boundary dimensions(mm)
Basic load rating (kN)
Speed rating
Designation
(rpm)
d
D
B
rmin
Cr
Cor
Grease
Oil
150
320
65
4
444
639
1100
1500
QJ330









