| Name | Value |
|---|---|
| Bearing number | NNU 4956 BK/SPW33 |
| Size (mm) | 280x380x100 |
| Brand | MBY |
| Bore Diameter (mm) | 280 |
| Outer Diameter (mm) | 380 |
| Width (mm) | 100 |
| Name | Value |
|---|---|
| d | 280 mm |
| D | 380 mm |
| B | 100 mm |
| D1 | 345.6 mm |
| F | 312 mm |
| b | 13.9 mm |
| K | 3 mm |
| r1,2 | min. - 2.1 mm |
| r3,4 | min. - 1.1 mm |
| s | 4.5 mm |
| da | min. - 291 mm |
| da | max. - 308 mm |
| Da | max. - 369 mm |
| ra | max. - 2 mm |
| dn | 313.5 mm |
| Basic dynamic load rating | C - 765 kN |
| Basic static load rating | C0 - 1800 kN |
| Fatigue load limit | Pu - 170 kN |
| Limiting speed for grease lubrication | 1900 r/min |
| Limiting speed for oil lubrication | 2200 mm/min |
| Gref | 384 cm |
| Mass bearing | 32.5 kg |
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