Bearing
| ISO | NNU 4938 K |
| GOST | 4162938 7634-75 NNU 4938 K |
| Inner diameter (d, mm) | 190 |
| Outer diameter (D, mm) | 260 |
| Width (height) (B, mm) | 69 |
| Weight (m,kg) | 9,85 |
| Dynamic bearing capacity (C, kH) | 405 |
| Static bearing capacity (Co, kH) | 440 |
| Speed at the grease (n prev. Rev / min) | - |
| Speed at the liquid lubricant (n prev. Rev / min) | - |