QJ234 Bearing
The QJ234 bearing is a Four-point Contact Ball Bearings with an inner diameter of 170 mm , an outer diameter of 310 mm, a width of 52 mm. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
QJ234 four-point contact ball bearing 170x310x52mm(also called rolling mill bearing, same to QJ234N2, QJ234N2MPA) is used in rolling mills for the production of hot-rolled and cold-rolled steel products. For more information about QJ234 four-point contact ball bearing 170x310x52mm, contact us!
Boundary dimensions(mm)
Basic load rating (kN)
Speed rating
Designation
(rpm)
d
D
B
rmin
Cr
Cor
Grease
Oil
170
310
52
4
357
540
1100
1500
QJ234
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