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 |
300 mm
|
Outside diameter |
|---|---|---|
| d |
130 mm
|
Bore diameter |
| H |
max. 84.985 mm
|
Section height |
| B |
132 mm
|
Total bearing width over inner ring(s) |
| C |
129 mm
|
Total bearing width over outer ring(s) |
| d1 |
≈ 202 mm
|
Outside diameter flange ring |
| D1 |
≈ 204 mm
|
Shoulder diameter outer ring/ inner diameter housing washer |
| b |
15.35 mm
|
Width annular lubrication groove at inner ring |
| r |
min. 3 mm
|
Chamfer dimension outer ring |
| K |
8 mm
|
Diameter lubrication hole |
|---|---|---|
|
6
|
Number of holes |
| Basic dynamic load rating | C |
880 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 160 kN
|
| Fatigue load limit | Pu |
129 kN
|
| Maximum dynamic radial loads | Fr |
max. 500 kN
|
| Maximum static radial loads | F0r |
max. 710 kN
|
| Mass bearing |
44 kg
|
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