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315018 A

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315018 A

Backing 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.

  • Super-precision quality for tolerances of run-out
  • Very tight tolerances for the cross-sectional height
  • Designed for high loads

Description

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Dimensions - 315018 A

Dimensions

D

225 mm

Outside diameter
d

100 mm

Bore diameter
H

max. 62.479 mm

Section height
B

120 mm

Total bearing width over inner ring(s)
C

120 mm

Total bearing width over outer ring(s)
F

120.293 mm

Raceway diameter inner ring
E

156.293 mm

Raceway diameter outer ring
r

min. 1.1 mm

Chamfer dimension outer ring

Lubrication hole(s)
K

5 mm

Diameter lubrication hole

6

Number of holes

Calculation data

Basic dynamic load ratingC

660 kN

Basic static load ratingC0

1 120 kN

Fatigue load limitPu

143 kN

Maximum dynamic radial loadsFr

max. 560 kN

Maximum static radial loadsF0r

max. 800 kN

Mass

Mass bearing

28.6 kg

Tolerances and clearances

recently added Bearing

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