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 | 70.0mm |
| Functional outer diameter | 160.0mm |
| Inner ring width | 90.0mm |
| Outer ring width | 90.0mm |
| Basic rated dynamic load | 358.0kN |
| Basic rated static load | 585.0kN |
| Bearing parts | Complete set of bearings |
| Number of columns | 3 |
| Hole type | Cylindrical bore |
| Cage | Without |
| Design | without axial guidance |
| Radial clearance | NSTD |
| Tolerance class | P4 |
| Coating | without |
| Sealing | without |
| Seal type | Without |
| Relubrication function | with |
| Net weight | 10.7kg |
| UNSPSC Code | 31171505 |
Technical Parameters
| D | 160.0mm | Outer diameter |
| d | 70.0mm | Hole diameter |
| H | max.44.982mm | Section height |
| B | 90.0mm | Total bearing width on inner ring |
| C | 90.0mm | Total bearing width on outer ring |
| D1 | ≈0.0mm | Outer ring retaining edge diameter/seat ring inner diameter |
| F | 82.809mm | Inner ring raceway diameter |
| E | 108.85mm | Outer ring raceway diameter |
| r | min.1.0mm | Outer ring chamfer size ]}, Lubrication hole |
| K | 5.0mm | Lubrication hole diameter |
| 4.0mm | Number of holes |
| Basic dynamic load rating | C | 358kN |
| Basic static load rating | C0 | 585kN |
| Fatigue Load Limit | Pu | 80kN |
| Maximum radial dynamic load | Fr | 315kN |
| Maximum radial static load | F0r | 455kN |
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