QJF328 four-point contact ball bearing 140x300x62mm(also called rolling mill bearing) is used in rolling mills for the production of hot-rolled and cold-rolled steel products. For more information about QJF328 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
QJF328









