6-1. Shape and dimensions of O-ring mounting groove
(For fixing P series, for exercise)
(JIS B 2401)
| unit:mm | |||||||||||
| JIS Call number |
O-ring dimensions | Groove dimensions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thickness W | Inner diameter do | d dimension | D dimension | G dimension (tolerance+0.025) | H dimension | R dimension | |||||
| Size | tolerance | Size | tolerance | No backup ring | One-sided backup ring | Double-sided backup ring | H±0.05 | Maximum value | |||
| P 3 P 4 P 5 P 6 P 7 P 8 P 9 P10 |
1.9±0.08 | 2.8 3.8 4.8 5.8 6.8 7.8 8.8 9.8 |
3 4 5 6 7 8 9 10 |
0 -0.05 |
6 7 8 9 10 11 12 13 |
+0.05 0 |
2.5 | 3.9 | 5.4 | 1.4 | 0.4 |
| P10A P11 P11.2 P12 P12.5 P14 P15 P16 P18 P20 P21 P22 |
2.4±0.09 | 9.8 10.8 11.0 11.8 12.3 13.8 14.8 15.8 17.8 19.8 20.8 21.8 |
10 11 11.2 12 12.5 14 15 16 18 20 21 22 |
0 -0.06 |
14 15 15.2 16 16.5 18 19 20 22 24 25 26 |
+0.06 0 |
3.2 | 4.4 | 6.0 | 1.8 | 0.4 |
| P22A P22.4 P24 P25 P25.5 P26 P28 P29 P29.5 P30 P31 P31.5 P32 P34 P35 P35.5 P36 P38 P39 P40 P41 P42 P44 P45 P46 P48 P49 P50 |
3.5±0.1 | 21.7 22.1 23.7 24.7 25.2 25.7 27.7 28.7 29.2 29.7 30.7 31.2 31.7 33.7 34.7 35.2 35.7 37.7 38.7 39.7 40.7 41.7 43.7 44.7 45.7 47.7 48.7 49.7 |
22 22.4 24 25 25.5 26 28 29 29.5 30 31 31.5 32 34 35 35.5 36 38 39 40 41 42 44 45 46 48 49 50 |
0 -0.08 |
28 28.4 30 31 31.5 32 34 35 35.5 36 37 37.5 38 40 41 41.5 42 44 45 46 47 48 50 51 52 54 55 56 |
+0.08 0 |
4.7 | 6.0 | 7.8 | 2.7 | 0.8 |
|
P48A P50A P52 P53 P55 P56 P58 P60 P62 P63 P65 P67 P70 P71 P75 P80 P85 P90 P95 P100 P102 P105 P110 P112 P115 P120 P125 P130 P132 P135 P140 P145 P150 |
5.7±0.13 |
47.6 49.6 51.6 52.6 54.6 55.6 57.6 59.6 61.6 62.6 64.6 66.6 69.6 70.6 74.6 79.6 84.6 89.6 94.6 99.6 101.6 104.6 109.6 111.6 114.6 119.6 124.6 129.6 131.6 134.6 139.6 144.6 149.6 |
48 50 52 53 55 56 58 60 62 63 65 67 70 71 75 80 85 90 95 100 102 105 110 112 115 120 125 130 132 135 140 145 150 |
0 -0.10 |
58 60 62 63 65 66 68 70 72 73 75 77 80 81 85 90 95 100 105 110 112 115 120 122 125 130 135 140 142 145 150 155 160 |
+0.10 0 |
7.5 | 9.0 | 11.5 | 4.6 | 0.8 |
|
P150A P155 P160 P165 P170 P175 P180 P185 P190 P195 P200 P205 P209 P210 P215 P220 P225 P230 P235 P240 P245 P250 P255 P260 P265 P270 P275 P280 P285 P290 P295 P300 P315 P320 P335 P340 P355 P360 P375 P385 P400 |
8.4±0.15 | 149.5 154.5 159.5 164.5 169.5 174.5 179.5 184.5 189.5 194.5 199.5 204.5 208.5 209.5 214.5 219.5 224.5 229.5 234.5 239.5 244.5 249.5 254.5 259.5 264.5 269.5 274.5 279.5 284.5 289.5 294.5 299.5 314.5 319.5 334.5 339.5 354.5 359.5 374.5 384.5 399.5 |
150 155 160 165 170 175 180 185 190 195 200 205 209 210 215 220 225 230 235 240 245 250 255 260 265 270 275 280 285 290 295 300 315 320 335 340 355 360 375 385 400 |
0 -0.10 |
165 170 175 180 185 190 195 200 205 210 215 220 224 225 230 235 240 245 250 255 260 265 270 275 280 285 290 295 300 305 310 315 330 335 350 355 370 375 390 400 415 |
+0.10 0 |
11.0 | 13.0 | 17.0 | 6.9 | 1.2 |
|
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| References: "NOK O-ring" (NOK CORPORATION ed. Cat. No.050 ・ 2-98) NOK ・ O-ring, page 13 JIS B 2401 P series (for fixing, for exercise). | |||||||||||