| Name | Value |
|---|---|
| Bearing number | 71956 CD/HCP4A |
| Size (mm) | 280x380x46 |
| Brand | MBY |
| Bore Diameter (mm) | 280 |
| Outer Diameter (mm) | 380 |
| Width (mm) | 46 |
| Name | Value |
|---|---|
| d | 280 mm |
| D | 380 mm |
| B | 46 mm |
| d1 | 311.8 mm |
| d2 | 311.8 mm |
| D1 | 348.2 mm |
| r1,2 | min. - 2.1 mm |
| r3,4 | min. - 1.1 mm |
| a | 67.4 mm |
| da | min. - 291 mm |
| db | min. - 291 mm |
| Da | max. - 369 mm |
| Db | max. - 374 mm |
| ra | max. - 2 mm |
| rb | max. - 1 mm |
| dn | 319.7 mm |
| Basic dynamic load rating | C - 291 kN |
| Basic static load rating | C0 - 455 kN |
| Fatigue load limit | Pu - 10.6 kN |
| Limiting speed for grease lubrication | 4000 r/min |
| Limiting speed for oil lubrication | 5600 mm/min |
| Ball | Dw - 30.162 mm |
| Ball | z - 31 |
| Gref | 159 cm3 |
| Calculation factor | f0 - 16.7 |
| Preload class A | GA - 1090 N |
| Preload class B | GB - 2180 N |
| Preload class C | GC - 4360 N |
| Preload class D | GD - 8720 N |
| Calculation factor | f - 1.27 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.07 |
| Calculation factor | f2C - 1.12 |
| Calculation factor | f2D - 1.18 |
| Calculation factor | fHC - 1.04 |
| Preload class A | 295 N/micron |
| Preload class B | 403 N/micron |
| Preload class C | 565 N/micron |
| Preload class D | 822 N/micron |
| Mass bearing | 11.09 kg |
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