盖茨Gates 英制梯形齿XXH（齿距=31.75MM）同步轮标准规格和数据
ｄ＝客户自定义尺寸
| 盖茨 Gates规格 | 齿数 | 节径 D | 外径 Do | 档边直径 Df | 档边内径 db | 档边厚度 h |
| 18XXH | 18 | 181.91 | 178.87 | 199 | 157 | 5.5 |
| 19XXH | 19 | 192.02 | 188.97 | 209 | 167 | 5.5 |
| 20XXH | 20 | 202.13 | 199.08 | 219 | 177 | 5.5 |
| 21XXH | 21 | 212.23 | 209.19 | 229 | 187 | 5.5 |
| 22XXH | 22 | 222.34 | 219.29 | 239 | 197 | 5.5 |
| 24XXH | 24 | 242.55 | 239.50 | / | / | /
|
| 25XXH | 25 | 252.66 | 249.61 | / | / | / |
| 26XXH | 26 | 262.76 | 259.72 | / | / | /
|
| 27XXH | 27 | 272.87 | 269.82 | / | / | /
|
| 30XXH | 30 | 303.19 | 300.14 | / | / | /
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| 40XXH | 40 | 404.25 | 401.21 | / | / | /
|
| 48XXH | 48 | 485.10 | 482.06 | / | / | /
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| 60XXH | 60 | 606.38 | 603.33 | / | / | /
|
| 72XXH | 72 | 727.66 | 724.61 | / | / | /
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