| Bore diameter | d | 280 | mm |
| Width | B | 65 | mm |
| Basic static load rating, radial | C0r | 1,100,000 | |
| Limiting speed | nG | 2,550 |
| Outside diameter | D | 420 | mm |
| Basic dynamic load rating, radial | Cr | 680,000 | |
| Fatigue load limit, radial | Cur | 96,000 | |
| Reference speed | nϑr | 1,550 |
| Minimum diameter shaft shoulder | da min | 295 | mm |
| Minimum shaft shoulder | dc min | 321 | mm |
| Maximum recess radius | ra max | 3 | mm |
| Maximum diameter of shaft shoulder | da max | 312 | mm |
| Maximum diameter of housing shoulder | Da max | 405 | mm |
| Minimum chamfer dimension | rmin | 4 | mm |
| Raceway diameter outer ring | E | 384 | mm |
| Minimum rib diameter outer ring | D1 min | 371.30 | mm |
| Axial displacement | s1 | 7.20 | mm |
| Raceway diameter inner ring | F | 316 | mm |
| Manufacturer | Part Number |
|---|---|
| American Roller Bearing | CD1056 |
| NSK | NU1056 |
| KOYO | NU1056FY |
| GPZ Bearings | 32156 |
