螺距PacH4h3R1maxR2max1.50.150.90.0750.1520.251.250.1250.2530.251.750.1250.2540.252.250.1250.2550.252.750.1250.2560.53.50.250.570.540.250.580.54.50.250.590.550.250.5100.55.50.250.5120.56.50.250.514180.5116190.51181100.51201110.51221120.51241130.51281150.51321170.51361190.51401210.51441230.51基本尺寸計算公式 公稱直徑d螺距P中徑 d2D2大徑 D4小徑 第一系列 第二系列 d3D181.5*7.258.36.26.591.58.259.37.27.52*8.009.56.57.0101.59.2510.38.28.52*9.0010.57.58.0112*10.0011.58.59.039.5011.57.58.012211.0012.59.510.03*10.5012.58.59.01421314.511.5123*12.514.510.5111621516.513.5144*1416.511.5121821718.515.5164*1618.513.5142021920.517.5184*1820.515.51622320.522.518.5195*19.522.516.51781823131424322.524.520.5215*21.524.518.51982025151626324.526.522.5235*23.526.520.52182227171828326.528.524.5255*25.528.522.52382429192030328.530.526.5276*27312324102531192032330.532.528.5296*29332526102733212234232.534.530.5316*31352728102935232436334.536.532.5336*33372930103137252638336.538.534.5357*34.5393031103339272840338.540.536.5377*36.5413233103541293042340.542.538.5397*38.5433435103743313244342.544.540.5417*40.5453637123845313246344.546.542.5438*42.04737381240.047333448346.548.544.5458*44493940124249353650348.550.546.5478*46514142124451373852350.552.548.5498*48534344124653394055353.555.551.5529*50.5564546144857394160358.560.556.5579*55.561505114536244466546365.560.56110*60665455165767474970 4 68 70.5 65.5 66 10* 65 71 59 60 16 62 72 52 54 75 4 73 75.5 70.5 71 10* 70 76 64 65 16 67 77 57 59 80 4 78 80.5 75.5 76 10* 75 81 69 70 16 72 82 62 64 85 4 83 85.5 80.5 81 12* 79 86 72 73 18 76 87 65 67 90 4 88 90.5 85.5 86 12* 84 91 77 78 18 81 92 70 72 95 4 93 95.5 90.5 91 12* 89 96 82 83 18 86 97 75 77 100 4 98 100.5 95.5 96 12* 94 101 87 88 20 90 102 78 80 110 4 108 110.5 105.5 106 12* 104 110 97 98 20 100 112 88 90 120 6 117 121 113 114 14* 113 122 104 106 22 109 122 96 98 130 6 127 131 123 124 14* 123 132 114 116 22 119 132 106 108 140 6 137 141 133 134 14* 133 142 124 126 24 128 142 114 116 150 6 147 151 143 144 16* 142 152 132 134 24 138 152 124 126 160 6 157 161 153 154 16* 152 162 142 144 28 146 162 130 132 170 6 167 171 163 164 16* 162 172 152 154 28 156 172 140 142 180 8 176 181 171 172 18* 171 182 160 162 28 166 182 150 152 190 8 186 191 181 182 18* 181 192 170 172 32 174 192 156 158 200 8 196 201 191 192 18* 191 202 180 182 32 184 202 166 168 210 8 206 211 201 202 20* 200 212 188 190 36 192 212 172 174 220 8 216 221 211 212 2* 210 222 198 200 36 202 222 182 184 230 8 226 231 221 222 20* 220 232 208 210 36 212 232 192 194 240 8 236 241 231 232 22* 229 242 216 218 36 222 242 202 204 250 12 244 251 237 238 22* 239 252 226 228 40 230 252 208 210 260 12 254 261 247 248 22* 249 262 236 238 40 240 262 218 220 270 12 264 271 257 258 24* 258 272 244 246 40 250 272 22