Bearing
| ISO | NNU 4944 K |
| GOST | 4162944 7634-75 NNU 4944 K |
| Inner diameter (d, mm) | 220 |
| Outer diameter (D, mm) | 300 |
| Width (height) (B, mm) | 80 |
| Weight (m,kg) | 15,3 |
| Dynamic bearing capacity (C, kH) | 510 |
| Static bearing capacity (Co, kH) | 570 |
| Speed at the grease (n prev. Rev / min) | - |
| Speed at the liquid lubricant (n prev. Rev / min) | - |