4956X3D-1 double-row angular contact ball bearing 280x389.5x92mm (also called rolling mill bearing, same to 305269D, 508730) is used in rolling mills for the production of hot-rolled and cold-rolled steel products. For more information about 4956X3D-1 double-row angular contact ball bearing 280x389.5x92mm, contact us!
Boundary dimensions(mm)
Basic load ratings(kN)
Speed rating
Designation
Weight
Equivalent to foreign designations(FYI)
(rpm)
(kg)
d
D
B
rmin
Cr
Cor
Grease
Oil
SKF
FAG
280
389.5
92
4
278
650
850
1100
4956X3D-1
31.9
305269D
508730













