| Name | Value |
|---|---|
| Bearing number | 71980 AM |
| Size (mm) | 400x540x65 |
| Brand | MBY |
| Bore Diameter (mm) | 400 |
| Outer Diameter (mm) | 540 |
| Width (mm) | 65 |
| Name | Value |
|---|---|
| d | 400 mm |
| D | 540 mm |
| B | 65 mm |
| d1 | - 447 mm |
| D1 | - 496 mm |
| a | 168 mm |
| r1,2 | min. - 4 mm |
| r3,4 | min. - 1.5 mm |
| da | min. - 415 mm |
| Da | max. - 525 mm |
| Db | max. - 533 mm |
| ra | max. - 3 mm |
| rb | max. - 1.5 mm |
| Basic dynamic load rating | C - 423 kN |
| Basic static load rating | C0 - 780 kN |
| Fatigue load limit | Pu - 15.6 kN |
| Reference speed | 1200 r/min |
| Limiting speed | 1300 r/min |
| Calculation factor | kr - 0.083 |
| Calculation factor | ka - 0.4 |
| Calculation factor | e - 0.8 |
| Calculation factor | X - 0.39 |
| Calculation factor | Y0 - 0.33 |
| Calculation factor | Y1 - |
| Calculation factor | Y2 - 0.76 |
| Mass bearing | 42 kg |
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