QJ328 four-point contact ball bearing 140x300x62mm(also called rolling mill bearing, same to QJ328N2, Q328N2MPA) is used in rolling mills for the production of hot-rolled and cold-rolled steel products. For more information about QJ328 four-point contact ball bearing 140x300x62mm, contact us!
Boundary dimensions(mm)
Basic load rating (kN)
Speed rating
Designation
(rpm)
d
D
B
rmin
Cr
Cor
Grease
Oil
140
300
62
4
421
576
1300
1800
QJ328
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