| Numero di parte | Dimensione (mm) | ||
| D | D | l | |
| NFR8 | 8 | 37 | 20 |
| NFR12 | 12 | 37 | 20 |
| NFR15 | 15 | 47 | 30 |
| NFR20 | 20 | 62 | 36 |
| NFR25 | 25 | 80 | 40 |
| NFR30 | 30 | 90 | 48 |
| NFR35 | 35 | 100 | 53 |
| NFR40 | 40 | 110 | 63 |
| NFR45 | 45 | 120 | 63 |
| NFR50 | 50 | 130 | 80 |
| NFR55 | 55 | 140 | 80 |
| NFR60 | 60 | 150 | 95 |
| NFR70 | 70 | 170 | 110 |
| NFR80 | 80 | 190 | 125 |
| NFR90 | 90 | 215 | 140 |
| NFR100 | 100 | 260 | 150 |
| NFR130 | 130 | 300 | 180 |
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