315268 BBacking bearing

SKU: 315268 BBacking bearing

Backing bearings have been specially developed for cold rolling mills of the cluster type, but can also be used for other applications, such as straightening or bending machines. These bearings have a particularly thick-walled outer ring and can be mounted on stationary support shafts to form backup or straightening rolls.

ID:183946

Dimensions - 315268 B

Dimensions

D
160 mm
Outside diameter
d
70 mm
Bore diameter
H
max. 44.982 mm
Section height
B
90 mm
Total bearing width over inner ring(s)
C
90 mm
Total bearing width over outer ring(s)
D1
0 mm
Shoulder diameter outer ring/ inner diameter housing washer
F
82.809 mm
Raceway diameter inner ring
E
108.85 mm
Raceway diameter outer ring
r
min. 1 mm
Chamfer dimension outer ring
Lubrication hole(s)
K
5 mm
Diameter lubrication hole
4
Number of holes

Calculation data

Basic dynamic load rating C
358 kN
Basic static load rating C0
585 kN
Fatigue load limit Pu
80 kN
Maximum dynamic radial loads Fr
max. 315 kN
Maximum static radial loads F0r
max. 455 kN

Mass

Mass bearing
10.7 kg

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