Bearing
| ISO | NU 303 |
| GOST | 32303 8328-75 NU 303 |
| Inner diameter (d, mm) | 17 |
| Outer diameter (D, mm) | 47 |
| Width (height) (B, mm) | 14 |
| Weight (m,kg) | 0,12 |
| Dynamic bearing capacity (C, kH) | 15,7 |
| Static bearing capacity (Co, kH) | 7,8 |
| Speed at the grease (n prev. Rev / min) | - |
| Speed at the liquid lubricant (n prev. Rev / min) | - |