
XXH型(节距=31.750mm)
| 规格 | 节线长(mm) | 齿数 |
| 625XXH | 1588.00 | 50 |
| 650XXH | 1651.00 | 52 |
| 700XXH | 1778.00 | 56 |
| 800XXH | 2032.00 | 64 |
| 900XXH | 2286.00 | 72 |
| 950XXH | 2413.00 | 76 |
| 1000XXH | 2540.00 | 80 |
| 1050XXH | 2667.00 | 84 |
| 1200XXH | 3048.00 | 96 |
| 1250XXH | 3175.00 | 100 |
| 1400XXH | 3556.00 | 112 |
| 1563XXH | 3968.75 | 125 |
| 1600XXH | 4064.00 | 128 |
| 1700XXH | 4318.00 | 136 |
| 1800XXH | 4572.00 | 144 |
| 1925XXH | 4889.50 | 154 |
| 2000XXH | 5080.00 | 160 |