Backing bearings have been developed specifically for cluster cold rolling mills, but can also be used for other applications such as straightening or bending machines. These bearings have a special thick-walled outer ring and can be mounted on fixed support shafts to form backing or straightening rolls.
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Skim Through
| Inner Diameter | 90.0mm |
| Functional outer diameter | 220.0mm |
| Inner ring width | 120.0mm |
| Outer ring width | 119.0mm |
| Basic rated dynamic load | 484.0kN |
| Basic rated static load | 640.0kN |
| Bearing parts | Complete set of bearings |
| Number of columns | 2 |
| Hole type | Cylindrical bore |
| Cage | Machined metal |
| Design | with axial guide |
| Radial clearance | NSTD |
| Tolerance class | P4 |
| Coated | without |
| Sealing | without |
| Seal type | Without |
| Relubrication function | with |
| Net weight | 26.0kg |
| UNSPSC Code | 31171505 |
Technical Parameters
| D | 220.0mm | Outer diameter |
| d | 90.0mm | Hole diameter |
| H | max.65.0mm | Section height |
| B | 120.0mm | Total bearing width on inner ring |
| C | 119.0mm | Total bearing width on outer ring |
| d1 | ≈119.0mm | Outer diameter of retaining edge |
| D1 | ≈147.0mm | Outer ring flange diameter/seat ring inner diameter |
| b | 10.2mm | Inner ring lubrication groove width |
| r | min.2.0mm | Outer ring chamfer size ]}, Lubrication hole |
| K | 6.0mm | Lubrication hole diameter |
| 6.0mm | Number of holes |
| Basic dynamic load rating | C | 484kN |
| Basic static load rating | C0 | 640kN |
| Fatigue Load Limit | Pu | 78kN |
| Maximum radial dynamic load | Fr | 440kN |
| Maximum radial static load | F0r | 630kN |
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