| Numero di parte | Dimensione (mm) | |
| Dw | Lw | |
| NRB1X5.8 | 1 | 5.8 |
| NRB1X6.8 | 1 | 6.8 |
| NRB1X7.8 | 1 | 7.8 |
| NRB1X9.8 | 1 | 9.8 |
| NRB1.5X5.8 | 1.5 | 5.8 |
| NRB1.5X6.8 | 1.5 | 6.8 |
| NRB1.5X7.8 | 1.5 | 7.8 |
| NRB1.5X9.8 | 1.5 | 9.8 |
| Cerchio NRB1.5X11.8 | 1.5 | 11.8 |
| Cerchio NRB1.5X13.8 | 1.5 | 13.8 |
| NRB2X6.8 | 2 | 6.8 |
| NRB2X7.8 | 2 | 7.8 |
| NRB2X9.8 | 2 | 9.8 |
| NRB2X11.8 | 2 | 11.8 |
| NRB2X13.8 | 2 | 13.8 |
| NRB2X15.8 | 2 | 15.8 |
| NRB2X17.8 | 2 | 17.8 |
| NRB2X19.8 | 2 | 19.8 |
| NRB2X21.8 | 2 | 21.8 |
| NRB2.5X7.8 | 2.5 | 7.8 |
| NRB2.5X9.8 | 2.5 | 9.8 |
| Cerchio NRB2.5X11.8 | 2.5 | 11.8 |
| Cerchio NRB2.5X13.8 | 2.5 | 13.8 |
| Cerchio NRB2.5X15.8 | 2.5 | 15.8 |
| Cerchio NRB2.5X17.8 | 2.5 | 17.8 |
| Cerchio NRB2.5X19.8 | 2.5 | 19.8 |
| Cerchio NRB2.5X21.8 | 2.5 | 21.8 |
| Cerchio NRB2.5X23.8 | 2.5 | 23.8 |
| NRB3X9.8 | 3 | 9.8 |
| NRB3X11.8 | 3 | 11.8 |
| NRB3X13.8 | 3 | 13.8 |
| NRB3X15.8 | 3 | 15.8 |
| NRB3X17.8 | 3 | 17.8 |
| NRB3X19.8 | 3 | 19.8 |
| NRB3X21.8 | 3 | 21.8 |
| NRB3X23.8 | 3 | 23.8 |
| NRB3X25.8 | 3 | 25.8 |
| NRB3X27.8 | 3 | 27.8 |
| NRB3X29.8 | 3 | 29.8 |
| Cerchio NRB3.5X11.8 | 3.5 | 11.8 |
| Cerchio NRB3.5X13.8 | 3.5 | 13.8 |
| Cerchio NRB3.5X15.8 | 3.5 | 15.8 |
| Cerchio NRB3.5X17.8 | 3.5 | 17.8 |
| NRB3.5X19.8 | 3.5 | 19.8 |
| Cerchio NRB3.5X21.8 | 3.5 | 21.8 |
| NRB3.5X23.8 | 3.5 | 23.8 |
| NRB3.5X25.8 | 3.5 | 25.8 |
| Cerchio NRB3.5X27.8 | 3.5 | 27.8 |
| NRB3.5X29.8 | 3.5 | 29.8 |
| NRB3.5X34.8 | 3.5 | 34.8 |
| NRB4X11.8 | 4 | 11.8 |
| NRB4X13.8 | 4 | 13.8 |
| NRB4X15.8 | 4 | 15.8 |
| NRB4X17.8 | 4 | 17.8 |
| NRB4X19.8 | 4 | 19.8 |
| NRB4X21.8 | 4 | 21.8 |
| NRB4X23.8 | 4 | 23.8 |
| NRB4X25.8 | 4 | 25.8 |
| NRB4X27.8 | 4 | 27.8 |
| NRB4X29.8 | 4 | 29.8 |
| NRB4X34.8 | 4 | 34.8 |
| NRB4X39.8 | 4 | 39.8 |
| NRB5X15.8 | 5 | 15.8 |
| NRB5X19.8 | 5 | 19.8 |
| NRB5X21.8 | 5 | 21.8 |
| NRB5X23.8 | 5 | 23.8 |
| NRB5X25.8 | 5 | 25.8 |
| NRB5X27.8 | 5 | 27.8 |
| NRB5X29.8 | 5 | 29.8 |
| NRB5X34.8 | 5 | 34.8 |
| NRB5X39.8 | 5 | 39.8 |
| NRB5X49.8 | 5 | 49.8 |
| NRB6X17.8 | 6 | 17.8 |
| NRB6X21.8 | 6 | 21.8 |
| NRB6X23.8 | 6 | 23.8 |
| NRB6X25.8 | 6 | 25.8 |
| NRB6X39.8 | 6 | 39.8 |
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