Sealing Elements<strong>Technical</strong> <strong>Handbook</strong> O-<strong>ring</strong>s15. Tolerances on cross sectonTolerances on cross section (W) for O-<strong>ring</strong>s acc. AS568A - inches.070 +/- .003 .139 +/- .004 .275 +/- .006.103 +/- .003 .210 +/- .005Tolerances on cross section (W) for O-<strong>ring</strong>s acc. ISO 3601-1 class B - millimetersCross Section (W)Tolerance0,80 < W ≤ 2,25 +/-0,082,25 < W ≤ 3,15 +/-0,093,15 < W ≤ 4,50 +/-0,104,50 < W ≤ 6,30 +/-0,136,30 < W ≤ 8,40 +/-0,15Tolerances on cross section (W) for O-<strong>ring</strong>s - inches.040 +/- .003 .118 +/- .003 .275 +/- .006.059 +/- .003 .138 +/- .004 .315 +/- .007.063 +/- .003 .139 +/- .004 .330 +/- .007.070 +/- .003 .142 +/- .004 .354 +/- .008.075 +/- .003 .157 +/- .004 .394 +/- .008.079 +/- .003 .177 +/- .004 > .394 +/-1,8% to +/- .008.095 +/- .003 .197 +/- .005.100 +/- .003 .210 +/- .005.103 +/- .003 .224 +/- .006.106 +/- .003 .236 +/- .006207All the information in this documentation has been compiled with the greatest of care.Despite this we can bear no responsibility whatsoever for any errors present in the documentation. The recommendations are intended as guidelines.www.eriks.info
Sealing Elements<strong>Technical</strong> <strong>Handbook</strong> O-<strong>ring</strong>s15. Tolerances on inside diameter for O-<strong>ring</strong>sTolerances on inside diameter for o-<strong>ring</strong>s with non standard metric sizes according toISO 3601 Class B will be calculated using the following formula (values in millimetres):∆ ID = ±[(ID 0,95 x 0,009) + 0,011]The next table shows the tolerances resulting from the formula.Tolerances on Inside Diameter for O-<strong>ring</strong>s acc. ISO 3601-1 Class B - millimetres208O-<strong>ring</strong> ID Tolerance1,50 - 1,71 ±0,121,72 - 2,93 ±0,132,94 - 4,17 ±0,144,18 - 5,44 ±0,155,45 - 6,72 ±0,166,73 - 8,01 ±0,178,02 - 9,31 ±0,189,32 - 10,62 ±0,1910,63 - 11,94 ±0,2011,95 - 13,27 ±0,2113,28 - 14,61 ±0,2214,62 - 15,95 ±0,2315,96 - 17,29 ±0,2417,30 - 18,64 ±0,2518,65 - 20,00 ±0,2620,01 - 21,36 ±0,2721,37 - 22,73 ±0,2822,74 - 24,10 ±0,2924,11 - 25,47 ±0,3025,48 - 26,85 ±0,3126,86 - 28,23 ±0,3228,24 - 29,61 ±0,3329,62 - 31,00 ±0,3431,01 - 32,39 ±0,3532,40 - 33,78 ±0,3633,79 - 35,18 ±0,3735,19 - 36,58 ±0,3836,59 - 37,98 ±0,3937,99 - 39,38 ±0,4039,39 - 40,79 ±0,4140,80 - 42,20 ±0,4242,21 - 43,61 ±0,4343,62 - 45,02 ±0,4445,03 - 46,44 ±0,4546,45 - 47,86 ±0,4647,87 - 49,28 ±0,4749,29 - 50,70 ±0,4850,71 - 52,12 ±0,4952,13 - 53,55 ±0,5053,56 - 54,98 ±0,5154,99 - 56,41 ±0,52O-<strong>ring</strong> ID Tolerance56,42 - 57,84 ±0,5357,85 - 59,27 ±0,5459,28 - 60,71 ±0,5560,72 - 62,14 ±0,5662,15 - 63,58 ±0,5763,59 - 65,02 ±0,5865,03 - 66,47 ±0,5966,48 - 67,91 ±0,6067,92 - 69,35 ±0,6169,36 - 70,80 ±0,6270,81 - 72,25 ±0,6372,26 - 73,70 ±0,6473,71 - 75,15 ±0,6575,16 - 76,60 ±0,6676,61 - 78,05 ±0,6778,06 - 79,51 ±0,6879,52 - 80,97 ±0,6980,98 - 82,42 ±0,7082,43 - 83,88 ±0,7183,89 - 85,34 ±0,7285,35 - 86,80 ±0,7386,81 - 88,27 ±0,7488,28 - 89,73 ±0,7589,74 - 91,20 ±0,7691,21 - 92,66 ±0,7792,67 - 94,13 ±0,7894,14 - 95,60 ±0,7995,61 - 97,07 ±0,8097,08 - 98,54 ±0,8198,55 - 100,01 ±0,82100,02 - 101,48 ±0,83101,49 - 102,96 ±0,84102,97 - 104,43 ±0,85104,44 - 105,91 ±0,86105,92 - 107,39 ±0,87107,40 - 108,86 ±0,88108,87 - 110,34 ±0,89110,35 - 111,82 ±0,90111,83 - 113,30 ±0,91113,31 - 114,79 ±0,92114,80 - 116,27 ±0,93O-<strong>ring</strong> ID Tolerance116,28 - 117,75 ±0,94117,76 - 119,24 ±0,95119,25 - 120,72 ±0,96120,73 - 122,21 ±0,97122,22 - 123,70 ±0,98123,71 - 125,19 ±0,99125,20 - 126,68 ±1,00126,69 - 128,17 ±1,01128,18 - 129,66 ±1,02129,67 - 131,15 ±1,03131,16 - 132,64 ±1,04132,65 - 134,14 ±1,05134,15 - 135,63 ±1,06135,64 - 137,13 ±1,07137,14 - 138,62 ±1,08138,63 - 140,12 ±1,09140,13 - 141,62 ±1,10141,63 - 143,12 ±1,11143,13 - 144,62 ±1,12144,63 - 146,12 ±1,13146,13 - 147,62 ±1,14147,63 - 149,12 ±1,15149,13 - 150,62 ±1,16150,63 - 152,13 ±1,17152,14 - 153,63 ±1,18153,64 - 155,13 ±1,19155,14 - 156,64 ±1,20156,65 - 158,15 ±1,21158,16 - 159,65 ±1,22159,66 - 161,16 ±1,23161,17 - 162,67 ±1,24162,68 - 164,18 ±1,25164,19 - 165,69 ±1,26165,70 - 167,20 ±1,27167,21 - 168,71 ±1,28168,72 - 170,22 ±1,29170,23 - 171,73 ±1,30171,74 - 173,25 ±1,31173,26 - 174,76 ±1,32174,77 - 176,28 ±1,33176,29 - 177,79 ±1,34O-<strong>ring</strong> ID Tolerance177,80 - 179,31 ±1,35179,32 - 180,82 ±1,36180,83 - 182,34 ±1,37182,35 - 183,86 ±1,38183,87 - 185,38 ±1,39185,39 - 186,89 ±1,40186,90 - 188,41 ±1,41188,42 - 189,93 ±1,42189,94 - 191,45 ±1,43191,46 - 192,98 ±1,44192,99 - 194,50 ±1,45194,51 - 196,02 ±1,46196,03 - 197,54 ±1,47197,55 - 199,07 ±1,48199,08 - 200,59 ±1,49200,60 - 202,12 ±1,50202,13 - 203,64 ±1,51203,65 - 205,17 ±1,52205,18 - 206,69 ±1,53206,70 - 208,22 ±1,54208,23 - 209,75 ±1,55209,76 - 211,28 ±1,56211,29 - 212,81 ±1,57212,82 - 214,34 ±1,58214,35 - 215,87 ±1,59215,88 - 217,40 ±1,60217,41 - 218,93 ±1,61218,94 - 220,46 ±1,62220,47 - 221,99 ±1,63222,00 - 223,52 ±1,64223,53 - 225,06 ±1,65225,07 - 226,59 ±1,66226,60 - 228,12 ±1,67228,13 - 229,66 ±1,68229,67 - 231,19 ±1,69231,20 - 232,73 ±1,70232,74 - 234,27 ±1,71234,28 - 235,80 ±1,72235,81 - 237,34 ±1,73237,35 - 238,88 ±1,74238,89 - 240,42 ±1,75All the information in this documentation has been compiled with the greatest of care.Despite this we can bear no responsibility whatsoever for any errors present in the documentation. The recommendations are intended as guidelines.www.eriks.info