| Name | Value |
|---|---|
| Bearing number | QJ 1256 N2MA |
| Size (mm) | 280x500x90 |
| Brand | MBY |
| Bore Diameter (mm) | 280 |
| Outer Diameter (mm) | 500 |
| Width (mm) | 90 |
| Name | Value |
|---|---|
| d | 280 mm |
| D | 500 mm |
| B | 90 mm |
| d1 | - 365 mm |
| D1 | - 415 mm |
| a | 390 mm |
| h | 12.5 mm |
| b | 15 mm |
| r0 | 2.5 mm |
| r1,2 | min. - 5 mm |
| da | min. - 302 mm |
| Da | max. - 478 mm |
| ra | max. - 4 mm |
| Basic dynamic load rating | C - 728 kN |
| Basic static load rating | C0 - 1460 kN |
| Fatigue load limit | Pu - 31.5 kN |
| Reference speed | 1300 r/min |
| Limiting speed | 2000 r/min |
| Calculation factor | ka - 0.9 |
| Calculation factor | e - 1.34 |
| Calculation factor | X - 0.54 |
| Calculation factor | Y0 - 0.44 |
| Calculation factor | Y1 - 0.47 |
| Calculation factor | Y2 - 0.81 |
| Mass bearing | 82 kg |
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