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O-rings, Inside Diameters, Cross-sections, Tolerances And Size Identification Code

GB 1235 - 1976

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国标GB 1235 - 1976 GB1235 1235GB O-rings, Inside Diameters, Cross-sections, Tolerances And Size Identification Code
Size
5 6 7 8 9 10 11 12 13 (14) 14 15 16 18 19
d0 Nominal Size
max
min
d Nominal Size
max
min
1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 2.4 2.4 2.4 2.4 2.4
1.98 1.98 1.98 1.98 1.98 1.98 1.98 1.98 1.98 1.98 2.49 2.49 2.49 2.49 2.49
1.82 1.82 1.82 1.82 1.82 1.82 1.82 1.82 1.82 1.82 2.31 2.31 2.31 2.31 2.31
1.7 2.7 3.7 4.7 5.7 6.7 7.7 8.7 9.7 10.7 9.6 10.6 11.6 13.6 14.6
1.82 2.82 3.82 4.82 5.82 6.82 7.82 8.82 9.82 10.82 9.73 10.73 11.73 13.73 14.73
1.58 2.58 3.58 4.58 5.58 6.58 7.58 8.58 9.58 10.58 9.47 10.47 11.47 13.47 14.47
Size
20 22 24 25 26 28 30 32 35 37 40 45 50 55 60
d0 Nominal Size
max
min
d Nominal Size
max
min
2.4 2.4 2.4 2.4 2.4 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1
2.49 2.49 2.49 2.49 2.49 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2
2.31 2.31 2.31 2.31 2.31 3 3 3 3 3 3 3 3 3 3
15.6 17.6 19.6 20.6 21.6 22.5 24.5 26.5 29.5 31.5 34.5 39.5 44.5 49.5 54.5
15.73 17.73 19.73 20.73 21.73 22.7 24.7 26.7 29.7 31.7 34.7 39.7 44.7 49.7 54.9
15.47 17.47 19.47 20.47 21.47 22.3 24.3 26.3 29.3 31.3 34.3 39.3 44.3 49.3 54.1
Size
63 65 68 70 75 80 85 90 95 100 105 110 115 120 125
d0 Nominal Size
max
min
d Nominal Size
max
min
3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1
3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
57.5 59.5 62.5 64.5 69.5 74.5 79.5 84.5 89.5 94.5 99.5 104.5 109.5 114.5 119.5
57.9 59.9 62.9 64.9 69.9 74.9 79.9 84.9 89.9 94.9 99.9 104.9 110 115 120
57.1 59.1 62.1 64.1 69.1 74.1 79.1 84.1 89.1 94.1 99.1 104.1 109 114 119
Size
130 135 140 145 150 155 160 165 28 30 31 32 34 35 36
d0 Nominal Size
max
min
d Nominal Size
max
min
3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.5 3.5 3.5 3.5 3.5 3.5 3.5
3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.61 3.61 3.61 3.61 3.61 3.61 3.61
3 3 3 3 3 3 3 3 3.39 3.39 3.39 3.39 3.39 3.39 3.39
124.5 129.5 134.5 139.5 144.5 149.5 154.5 159.5 21.6 23.6 24.6 25.6 27.6 28.6 29.6
125 130 135 140 145 150 155 160 21.8 23.8 24.8 25.8 27.8 28.8 29.8
124 129 134 139 144 149 154 159 21.4 23.4 24.4 25.4 27.4 28.4 29.4
Size
38 40 41 42 44 45 46 48 50 51 54 55 56 (50) (55)
d0 Nominal Size
max
min
d Nominal Size
max
min
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 5.7 5.7
3.61 3.61 3.61 3.61 3.61 3.61 3.61 3.61 3.61 3.61 3.61 3.61 3.61 5.84 5.84
3.39 3.39 3.39 3.39 3.39 3.39 3.39 3.39 3.39 3.39 3.39 3.39 3.39 5.56 5.56
31.6 33.6 34.6 35.6 37.6 38.6 39.6 41.6 43.6 44.6 47.6 48.6 49.6 39.4 44.4
31.8 33.8 34.8 35.8 37.8 38.8 39.8 41.8 43.8 44.8 47.8 48.8 49.8 39.8 44.8
31.4 33.4 34.4 35.4 37.4 38.4 39.4 41.4 43.4 44.4 47.4 48.4 49.4 39 44
Size
60 63 65 70 73 75 80 85 90 95 100 105 110 115 120
d0 Nominal Size
max
min
d Nominal Size
max
min
5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7
5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84
5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56
49.4 52.4 54.4 59.4 62.4 64.4 69.4 74.4 79.4 84.4 89.4 94.4 99.4 104.4 109.4
49.8 52.8 54.8 59.8 62.8 64.8 69.8 74.8 79.8 84.8 89.8 94.8 99.8 104.8 109.9
49 52 54 59 62 64 69 74 79 84 89 94 99 104 108.9
Size
125 130 135 140 145 150 155 160 165 170 175 180 185 190 195
d0 Nominal Size
max
min
d Nominal Size
max
min
5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7
5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84
5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56
114.4 119.4 124.4 129.4 134.4 139.4 144.4 149.4 154.3 159.3 164.3 169.3 174.3 179.3 184.3
114.9 119.9 124.9 129.9 134.9 139.9 144.9 149.9 155.1 160.1 165.1 170.1 175.1 180.1 185.1
113.9 118.9 123.9 128.9 133.9 138.9 143.9 148.9 153.5 158.5 163.5 168.5 173.5 178.5 183.5
Size
200 205 210 220 230 240 250 260 270 280 290 300 170 175 180
d0 Nominal Size
max
min
d Nominal Size
max
min
5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7 8.6 8.6 8.6
5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 5.84 8.76 8.76 8.76
5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 5.56 8.44 8.44 8.44
189.3 194.3 199.3 209.3 219.3 229.3 239.3 249.3 259.3 269.3 279.3 289.3 154.1 159.1 164.1
190.1 195.1 200.1 210.1 220.1 230.1 240.1 250.3 260.3 270.3 280.3 290.3 154.9 159.9 164.9
188.5 193.5 198.5 208.5 218.5 228.5 238.5 248.3 258.3 268.3 278.3 288.3 153.3 158.3 163.3
Size
185 190 195 200 205 210 215 220 225 230 235 240 245 250 255
d0 Nominal Size
max
min
d Nominal Size
max
min
8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6
8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76
8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44
169.1 174.1 179.1 184.1 189.1 194.1 199.1 204.1 209.1 214.1 219.1 224.1 229.1 234.1 239.1
169.9 174.9 179.9 184.9 189.9 194.9 199.9 204.9 209.9 214.9 219.9 224.9 229.9 234.9 239.9
168.3 173.3 178.3 183.3 188.3 193.3 198.3 203.3 208.3 213.3 218.3 223.3 228.3 233.3 238.3
Size
260 265 275 280 290 295 300 305 315 320 330 335 350 355 360
d0 Nominal Size
max
min
d Nominal Size
max
min
8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6
8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76
8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44
244.1 249.1 259.1 264.1 274.1 279.1 284.1 289.1 299.3 304.3 314.3 319.3 334.3 339.3 344.3
245.1 250.1 260.1 265.1 275.1 280.1 285.1 290.1 300.3 305.3 315.3 320.3 335.3 340.3 345.3
243.1 248.1 258.1 263.1 273.1 278.1 283.1 288.1 298.3 303.3 313.3 318.3 333.3 338.3 343.3
Size
370 375 380 390 395 400 415 420 450 480 500 32 35 40 42
d0 Nominal Size
max
min
d Nominal Size
max
min
8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 4.6 4.6 4.6 4.6
8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 8.76 4.73 4.73 4.73 4.73
8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 8.44 4.47 4.47 4.47 4.47
354.3 359.3 364.3 374.3 379.3 384.3 399.3 404.3 435.3 464.3 484.3 23.3 26.3 31.3 33.3
355.3 360.3 365.3 375.3 380.3 385.3 400.3 405.5 436.5 465.5 485.5 23.6 26.6 31.6 33.6
353.3 358.3 363.3 373.3 378.3 383.3 398.3 403.1 434.1 463.1 483.1 23 26 31 33
Size
45 48 50 53 56 60
d0 Nominal Size
max
min
d Nominal Size
max
min
4.6 4.6 4.6 4.6 4.6 4.6
4.73 4.73 4.73 4.73 4.73 4.73
4.47 4.47 4.47 4.47 4.47 4.47
36.3 39.3 41.3 44.3 47.3 51.3
36.6 39.6 41.6 44.6 47.6 51.6
36 39 41 44 47 51
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