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 |
280 mm
|
Outside diameter |
|---|---|---|
| d |
110 mm
|
Bore diameter |
| H |
max. 85 mm
|
Section height |
| B |
130 mm
|
Total bearing width over inner ring(s) |
| C |
128 mm
|
Total bearing width over outer ring(s) |
| d1 |
≈ 174 mm
|
Outside diameter flange ring |
| D1 |
≈ 176 mm
|
Shoulder diameter outer ring/ inner diameter housing washer |
| b |
9.1 mm
|
Width annular lubrication groove at inner ring |
| r |
min. 3 mm
|
Chamfer dimension outer ring |
| K |
6 mm
|
Diameter lubrication hole |
|---|---|---|
|
6
|
Number of holes |
| Basic dynamic load rating | C |
765 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 060 kN
|
| Fatigue load limit | Pu |
125 kN
|
| Maximum dynamic radial loads | Fr |
max. 900 kN
|
| Maximum static radial loads | F0r |
max. 1 290 kN
|
| Mass bearing |
48.2 kg
|
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