Double-row Cylindrical Roller Bearings

Double-row Cylindrical Roller Bearings

Dimension and Parameters

Bearing NO.
Cylindrical bore :NN3956
Tapered bore :NN3956K
Boundary dimensions(mm)
d :280
D :380
B/C :75
r 1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :695
Cor :1460
Limiting speed(rpm)
Speed Ratings :2200
Abutment and fillet dimensions(mm)
da max :297
Da max :361
ra max :2
rb max :2
Weight (kg)
Refer :22.7