Part Number:
d:
D:
B:

Double Row Cylindrical Roller Bearings

image/20240712/1720779932.png
image/20240712/1720779932.png
image/20240712/1720779932.png
Double Row Cylindrical Roller Bearings

Dimension and Parameters

Bearing NO.
Cylindrical bore :NNU40/630
Tapered bore :NNU40/630K
Boundary dimensions(mm)
d :630
D :920
B/C :290
r 1.2min :7.5
r3.4min :7.5
Basic load ratings(kN)
Cr :7650
Cor :17500
Limiting speed(rpm)
Speed Ratings :560
Abutment and fillet dimensions(mm)
da max :688
Da max :887
ra max :6
rb max :6
Weight (kg)
Refer :635