| Bore diameter | d | 50 | mm |
| sleeve length | B1 | 45 | mm |
| Thread | G | M55x2 |
| Bore diameter bearing | d | 55 | mm |
| Width nut and lock | B2 | 12,50 | mm |
| Outside diameter nut | d2 | 75 | mm |
| Fabricante | Referencia |
|---|---|
| SKC | 5853654 |
| NSK | H311X |
| NSK | H311 |
| KOYO | H311 |
| Neuweg Fertigung GmbH | H311 |
| SNR | H311 |
| SKC | 3019902 |
| ZKL-ZVL | H311 |
| Steyr-Daimler-Puch | H311 |
| SKF | H311 (SKF) |
