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 |
220 mm
|
Outside diameter |
|---|---|---|
| d |
90 mm
|
Bore diameter |
| H |
max. 65 mm
|
Section height |
| B |
120 mm
|
Total bearing width over inner ring(s) |
| C |
119 mm
|
Total bearing width over outer ring(s) |
| d1 |
≈ 119 mm
|
Outside diameter flange ring |
| D1 |
≈ 147 mm
|
Shoulder diameter outer ring/ inner diameter housing washer |
| b |
10.2 mm
|
Width annular lubrication groove at inner ring |
| r |
min. 2 mm
|
Chamfer dimension outer ring |
| K |
6 mm
|
Diameter lubrication hole |
|---|---|---|
|
6
|
Number of holes |
| Basic dynamic load rating | C |
484 kN
|
|---|---|---|
| Basic static load rating | C0 |
640 kN
|
| Fatigue load limit | Pu |
78 kN
|
| Maximum dynamic radial loads | Fr |
max. 440 kN
|
| Maximum static radial loads | F0r |
max. 630 kN
|
| Mass bearing |
26 kg
|
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