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.
| D |
160 mm
|
Outside diameter |
|---|---|---|
| d |
70 mm
|
Bore diameter |
| H |
max. 45 mm
|
Section height |
| B |
90 mm
|
Total bearing width over inner ring(s) |
| C |
89 mm
|
Total bearing width over outer ring(s) |
| d1 |
≈ 105.5 mm
|
Outside diameter flange ring |
| D1 |
≈ 108 mm
|
Shoulder diameter outer ring/ inner diameter housing washer |
| b |
9.8 mm
|
Width annular lubrication groove at inner ring |
| r |
min. 1 mm
|
Chamfer dimension outer ring |
| K |
5 mm
|
Diameter lubrication hole |
|---|---|---|
|
3
|
Number of holes |
| Basic dynamic load rating | C |
270 kN
|
|---|---|---|
| Basic static load rating | C0 |
345 kN
|
| Fatigue load limit | Pu |
45.5 kN
|
| Maximum dynamic radial loads | Fr |
max. 250 kN
|
| Maximum static radial loads | F0r |
max. 365 kN
|
| Mass bearing |
10.2 kg
|
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