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| AT20型標準皮帶寬（50mm） | ||||||||||||||
| 規(guī)格 | 齒數(shù) | 形狀 | 節(jié)徑 | 外徑 | W | L | K | X | 輪轂直徑 | 內(nèi)孔 | 透孔外徑 | 檔邊 外徑 | 檔邊 內(nèi)徑 | 檔邊型號 |
| AT20 | 18 | A/B | 114.59 | 111.76 | 65 | 73 | 56 | - | 60 | 24 | - | 120 | 80 | F-4012080 |
| AT20 | 19 | A/B | 120.96 | 118.13 | 65 | 73 | 56 | - | 60 | 24 | - | 130 | 80 | F-4013080 |
| AT20 | 20 | A/B | 127.35 | 124.49 | 65 | 73 | 56 | - | 80 | 24 | - | 136 | 90 | F-4013690 |
| AT20 | 21 | A/B | 133.69 | 130.86 | 65 | 73 | 56 | - | 80 | 24 | - | 142 | 92 | F-4014292 |
| AT20 | 22 | A/B | 140.06 | 137.23 | 65 | 73 | 56 | - | 80 | 24 | - | 150 | 100 | F-40150100 |
| AT20 | 23 | A/B | 146.42 | 143.59 | 65 | 73 | 56 | - | 95 | 24 | - | 156 | 108 | F-40156108 |
| AT20 | 24 | A/B | 152.79 | 149.96 | 65 | 73 | 56 | - | 95 | 24 | 158 | 112 | F-40158112 | |
| AT20 | 25 | A/B | 159.15 | 156.32 | 65 | 73 | 56 | - | 95 | 24 | - | 168 | 120 | F-40168120 |
| AT20 | 26 | A/B | 165.52 | 162.69 | 65 | 73 | 56 | - | 95 | 24 | - | 175 | 126 | F-40175126 |
| AT20 | 27 | A/B | 171.89 | 169.06 | 65 | 73 | 56 | - | 95 | 24 | - | 181 | 134 | F-40181134 |
| AT20 | 28 | A/B | 178.25 | 175.42 | 65 | 73 | 56 | - | 110 | 24 | - | 187 | 140 | F-40187140 |
| AT20 | 29 | A/B | 184.62 | 181.79 | 65 | 73 | 56 | - | 110 | 24 | - | 194 | 145 | F-40194145 |
| AT20 | 30 | A/B | 190.99 | 188.16 | 65 | 73 | 56 | - | 110 | 24 | - | 200 | 152 | F-40200152 |
| AT20 | 32 | W | 203.72 | 200.89 | 65 | 73 | 56 | 20 | 110 | 24 | 160 | - | - | - |
| AT20 | 34 | W | 216.45 | 213.62 | 65 | 73 | 56 | 20 | 110 | 24 | 174 | - | - | - |
| AT20 | 36 | W | 229.18 | 226.35 | 65 | 73 | 56 | 20 | 110 | 32 | 186 | - | - | - |
| AT20 | 38 | W | 241.92 | 239.09 | 65 | 73 | 56 | 20 | 110 | 32 | 199 | - | - | - |
| AT20 | 40 | W | 254.65 | 251.82 | 65 | 73 | 56 | 20 | 110 | 32 | 212 | - | - | - |
| AT20 | 42 | W | 267.38 | 264.55 | 65 | 73 | 56 | 20 | 130 | 32 | 224 | - | - | - |
| AT20 | 44 | W | 280.11 | 277.28 | 65 | 73 | 56 | 20 | 130 | 32 | 238 | - | - | - |
| AT20 | 46 | W | 292.85 | 290.02 | 65 | 73 | 56 | 20 | 130 | 32 | 250 | - | - | - |
| AT20 | 48 | W | 305.58 | 302.75 | 65 | 73 | 56 | 20 | 130 | 32 | 262 | - | - | - |
| AT20 | 50 | W | 318.31 | 315.48 | 65 | 73 | 56 | 20 | 130 | 32 | 275 | - | - | - |
| AT20 | 60 | W | 381.97 | 379.14 | 65 | 73 | 56 | 20 | 130 | 32 | 340 | - | - | - |
| AT20 | 72 | W | 458.37 | 455.54 | 65 | 73 | 56 | 20 | 140 | 32 | 415 | - | - | - |
