| Fabricante | Referencia |
|---|---|
| SKF | N312 EC J/C3 (SKF) |
| Atlas Copco | 0508263000 |
| SKF | N312/C3 (SKF) |
| SKC | 5966194 |
| Steyr-Daimler-Puch | 994132202 |
| Saurer | 64N312B |
| Atlas-Weyhausen | 0508.2630.00 |
| Krupp | 74040120-09 |
| SKC | 3946879 |
| Saurer | 64NM60EA |
| Krupp | 74040120-07 |
| SKF | N312 EC P/C3 (SKF) |
