XH型标准皮带宽300（76.2mm） 规格 齿数 形状 节径 外径 W L K X 轮毂直径 内孔 透孔外径 档边外径 档边内径 档边型号 18H 18 A/B 127.34 124.55 94 110 84 - 80 28 - 141 84 F-4014184 19H 19 A/B 134.41 131.62 94 110 84 - 90 28 - 146 93 F-4014693 20H 20 A/B 141.49 138.69 94 110 84 - 90 28 - 155 98 F-4015598 21H 21 A/B 148.56 145.77 94 110 84 - 120 28 - 160 105 F-4016105 22H 22 A/B 155.64 152.84 94 110 84 - 100 28 - 169 112 F-40169112 23H 23 A/B 162.70 159.91 94 110 84 - 120 28 - 175 124 F-40175124 24H 24 A/B 169.79 166.99 94 110 84 - 120 28 - 183 126 F-40183126 25H 25 A/B 176.86 174.04 94 110 84 - 120 28 - 188 134 F-40188134 26H 26 A/B 183.93 181.14 94 110 84 - 120 28 - 197 141 F-40197141 27H 27 A/B 191.01 188.22 94 110 84 - 120 28 - 205 148 F-40205148 28H 28 A/B 198.09 195.29 94 110 84 - 150 28 - 211 155 F-40211155 30H 30 A/B 212.23 209.44 94 110 84 - 150 28 - 226 169 F-40226169 32H 32 B/W 226.38 223.59 94 110 84 31 150 30 173 - - - 34H 34 B/W 240.53 237.74 94 110 84 31 150 30 177 - - - 38H 38 B/W 268.83 266.03 94 110 84 31 150 30 216 - - - 40H 40 B/W 282.98 280.18 94 120 84 31 150 30 230 - - - 46H 46 B/W 325.42 322.63 94 120 84 31 175 30 272 - - - 48H 48 B/W 339.57 336.78 94 120 84 31 175 30 286 - - - 58H 58 B/W 410.32 407.52 94 120 84 31 175 30 357 - - - 60H 60 B/W 424.47 421.67 94 120 84 31 175 30 370 - - - 70H 70 B/W 495.21 492.42 94 120 84 31 175 30 442 - - - 72H 72 B/W 509.36 506.56 94 120 84 31 175 30 456 - - - 80H 80 B/W 565.95 563.16 94 120 84 31 175 30 513 - - - 84H 84 B/W 594.25 591.46 94 120 84 31 175 30 456 - - - 96H 96 B/W 679.15 676.35 94 120 84 31 175 30 626 - - - 120H 120 B/W 848.93 846.14 94 120 84 31 175 30 796 - - -