G規格(Oリングと溝の寸法表)

Oリング(オーリング)G規格とは、日本工業規格(JIS B2401)が円筒面固定用または平面固定用Oリングの為に定めた寸法規格です。但し、一般にはJISの規定寸法に準ずる派生寸法(内径が規定の中間や延長に位置する寸法)もG規格とされ、区別されることは殆どありません。尚、線径がφ3.1mmだけで構成されているGS規格は、G規格からの派生規格です。G規格のOリング、及びG規格のOリングに推奨される溝の寸法は、下表のとおりです。

規格の一覧(早見表)
寸法の選び方(ガイド)
呼び番号 線径
(太さ)
内径 d d
許容差
D D
許容差
Dとdの
芯ずれ
G G
許容差
G
片側BR
G
両側BR
H
(±0.05)
R
最大
G253.1±0.1024.4±0.25250/-0.1030+0.10/0<0.084.1+0.25/05.67.32.40.7
G303.1±0.1029.4±0.29300/-0.1035+0.10/0<0.084.1+0.25/05.67.32.40.7
G353.1±0.1034.4±0.33350/-0.1040+0.10/0<0.084.1+0.25/05.67.32.40.7
G403.1±0.1039.4±0.37400/-0.1045+0.10/0<0.084.1+0.25/05.67.32.40.7
G453.1±0.1044.4±0.41450/-0.1050+0.10/0<0.084.1+0.25/05.67.32.40.7
G503.1±0.1049.4±0.45500/-0.1055+0.10/0<0.084.1+0.25/05.67.32.40.7
G523.1±0.1051.4±0.47520/-0.1057+0.10/0<0.084.1+0.25/05.67.32.40.7
G553.1±0.1054.4±0.49550/-0.1060+0.10/0<0.084.1+0.25/05.67.32.40.7
G583.1±0.1057.4±0.51580/-0.1063+0.10/0<0.084.1+0.25/05.67.32.40.7
G603.1±0.1059.4±0.53600/-0.1065+0.10/0<0.084.1+0.25/05.67.32.40.7
G623.1±0.1061.4±0.54620/-0.1067+0.10/0<0.084.1+0.25/05.67.32.40.7
G633.1±0.1062.4±0.55630/-0.1068+0.10/0<0.084.1+0.25/05.67.32.40.7
G643.1±0.1063.4±0.56640/-0.1069+0.10/0<0.084.1+0.25/05.67.32.40.7
G653.1±0.1064.4±0.57650/-0.1070+0.10/0<0.084.1+0.25/05.67.32.40.7
G673.1±0.1066.4±0.59670/-0.1072+0.10/0<0.084.1+0.25/05.67.32.40.7
G703.1±0.1069.4±0.61700/-0.1075+0.10/0<0.084.1+0.25/05.67.32.40.7
G723.1±0.1071.4±0.63720/-0.1077+0.10/0<0.084.1+0.25/05.67.32.40.7
G753.1±0.1074.4±0.65750/-0.1080+0.10/0<0.084.1+0.25/05.67.32.40.7
G803.1±0.1079.4±0.69800/-0.1085+0.10/0<0.084.1+0.25/05.67.32.40.7
G853.1±0.1084.4±0.73850/-0.1090+0.10/0<0.084.1+0.25/05.67.32.40.7
G903.1±0.1089.4±0.77900/-0.1095+0.10/0<0.084.1+0.25/05.67.32.40.7
G953.1±0.1094.4±0.81950/-0.10100+0.10/0<0.084.1+0.25/05.67.32.40.7
G1003.1±0.1099.4±0.851000/-0.10105+0.10/0<0.084.1+0.25/05.67.32.40.7
G1053.1±0.10104.4±0.871050/-0.10110+0.10/0<0.084.1+0.25/05.67.32.40.7
G1103.1±0.10109.4±0.911100/-0.10115+0.10/0<0.084.1+0.25/05.67.32.40.7
G1153.1±0.10114.4±0.941150/-0.10120+0.10/0<0.084.1+0.25/05.67.32.40.7
G1203.1±0.10119.4±0.981200/-0.10125+0.10/0<0.084.1+0.25/05.67.32.40.7
G1253.1±0.10124.4±1.011250/-0.10130+0.10/0<0.084.1+0.25/05.67.32.40.7
G1303.1±0.10129.4±1.051300/-0.10135+0.10/0<0.084.1+0.25/05.67.32.40.7
G1353.1±0.10134.4±1.081350/-0.10140+0.10/0<0.084.1+0.25/05.67.32.40.7
G1403.1±0.10139.4±1.121400/-0.10145+0.10/0<0.084.1+0.25/05.67.32.40.7
G1453.1±0.10144.4±1.161450/-0.10150+0.10/0<0.084.1+0.25/05.67.32.40.7
G1505.7±0.13149.3±1.191500/-0.10160+0.10/0<0.107.5+0.25/09.011.54.60.8
G1555.7±0.13154.3±1.231550/-0.10165+0.10/0<0.107.5+0.25/09.011.54.60.8
G1605.7±0.13159.3±1.261600/-0.10170+0.10/0<0.107.5+0.25/09.011.54.60.8
G1655.7±0.13164.3±1.301650/-0.10175+0.10/0<0.107.5+0.25/09.011.54.60.8
G1705.7±0.13169.3±1.331700/-0.10180+0.10/0<0.107.5+0.25/09.011.54.60.8
G1755.7±0.13174.3±1.371750/-0.10185+0.10/0<0.107.5+0.25/09.011.54.60.8
G1805.7±0.13179.3±1.401800/-0.10190+0.10/0<0.107.5+0.25/09.011.54.60.8
G1855.7±0.13184.3±1.441850/-0.10195+0.10/0<0.107.5+0.25/09.011.54.60.8
G1905.7±0.13189.3±1.471900/-0.10200+0.10/0<0.107.5+0.25/09.011.54.60.8
G1955.7±0.13194.3±1.511950/-0.10205+0.10/0<0.107.5+0.25/09.011.54.60.8
G2005.7±0.13199.3±1.552000/-0.10210+0.10/0<0.107.5+0.25/09.011.54.60.8
G2055.7±0.13204.3±1.582050/-0.10215+0.10/0<0.107.5+0.25/09.011.54.60.8
G2105.7±0.13209.3±1.612100/-0.10220+0.10/0<0.107.5+0.25/09.011.54.60.8
G2155.7±0.13214.3±1.652150/-0.10225+0.10/0<0.107.5+0.25/09.011.54.60.8
G2205.7±0.13219.3±1.682200/-0.10230+0.10/0<0.107.5+0.25/09.011.54.60.8
G2255.7±0.13224.3±1.712250/-0.10235+0.10/0<0.107.5+0.25/09.011.54.60.8
G2305.7±0.13229.3±1.732300/-0.10240+0.10/0<0.107.5+0.25/09.011.54.60.8
G2355.7±0.13234.3±1.782350/-0.10245+0.10/0<0.107.5+0.25/09.011.54.60.8
G2405.7±0.13239.3±1.812400/-0.10250+0.10/0<0.107.5+0.25/09.011.54.60.8
G2455.7±0.13244.3±1.842450/-0.10255+0.10/0<0.107.5+0.25/09.011.54.60.8
G2505.7±0.13249.3±1.882500/-0.10260+0.10/0<0.107.5+0.25/09.011.54.60.8
G2555.7±0.13254.3±1.912550/-0.10265+0.10/0<0.107.5+0.25/09.011.54.60.8
G2605.7±0.13259.3±1.942600/-0.10270+0.10/0<0.107.5+0.25/09.011.54.60.8
G2655.7±0.13264.3±1.972650/-0.10275+0.10/0<0.107.5+0.25/09.011.54.60.8
G2705.7±0.13269.3±2.012700/-0.10280+0.10/0<0.107.5+0.25/09.011.54.60.8
G2755.7±0.13274.3±2.042750/-0.10285+0.10/0<0.107.5+0.25/09.011.54.60.8
G2805.7±0.13279.3±2.072800/-0.10290+0.10/0<0.107.5+0.25/09.011.54.60.8
G2855.7±0.13284.3±2.102850/-0.10295+0.10/0<0.107.5+0.25/09.011.54.60.8
G2905.7±0.13289.3±2.142900/-0.10300+0.10/0<0.107.5+0.25/09.011.54.60.8
G2955.7±0.13294.3±2.172950/-0.10305+0.10/0<0.107.5+0.25/09.011.54.60.8
G3005.7±0.13299.3±2.203000/-0.10310+0.10/0<0.107.5+0.25/09.011.54.60.8
G3055.7±0.13304.3±2.243050/-0.10315+0.10/0<0.107.5+0.25/09.011.54.60.8
G3105.7±0.13309.3±2.273100/-0.10320+0.10/0<0.107.5+0.25/09.011.54.60.8
G3155.7±0.13314.3±2.303150/-0.10325+0.10/0<0.107.5+0.25/09.011.54.60.8
G3205.7±0.13319.3±2.333200/-0.10330+0.10/0<0.107.5+0.25/09.011.54.60.8
G3255.7±0.13324.3±2.363250/-0.10335+0.10/0<0.107.5+0.25/09.011.54.60.8
G3305.7±0.13329.3±2.393300/-0.10340+0.10/0<0.107.5+0.25/09.011.54.60.8
G3355.7±0.13334.3±2.423350/-0.10345+0.10/0<0.107.5+0.25/09.011.54.60.8
G3405.7±0.13339.3±2.453400/-0.10350+0.10/0<0.107.5+0.25/09.011.54.60.8
G3455.7±0.13344.3±2.483450/-0.10355+0.10/0<0.107.5+0.25/09.011.54.60.8
G3505.7±0.13349.3±2.513500/-0.10360+0.10/0<0.107.5+0.25/09.011.54.60.8
G3555.7±0.13354.3±2.543550/-0.10365+0.10/0<0.107.5+0.25/09.011.54.60.8
G3605.7±0.13359.3±2.573600/-0.10370+0.10/0<0.107.5+0.25/09.011.54.60.8
G3655.7±0.13364.3±2.603650/-0.10375+0.10/0<0.107.5+0.25/09.011.54.60.8
G3705.7±0.13369.3±2.633700/-0.10380+0.10/0<0.107.5+0.25/09.011.54.60.8
G3755.7±0.13374.3±2.673750/-0.10385+0.10/0<0.107.5+0.25/09.011.54.60.8
G3805.7±0.13379.3±2.703800/-0.10390+0.10/0<0.107.5+0.25/09.011.54.60.8
G3855.7±0.13384.3±2.733850/-0.10395+0.10/0<0.107.5+0.25/09.011.54.60.8
G3905.7±0.13389.3±2.773900/-0.10400+0.10/0<0.107.5+0.25/09.011.54.60.8
G3955.7±0.13394.3±2.793950/-0.10405+0.10/0<0.107.5+0.25/09.011.54.60.8
G4005.7±0.13399.3±2.824000/-0.10410+0.10/0<0.107.5+0.25/09.011.54.60.8
G4055.7±0.13404.3±3.004050/-0.10415+0.10/0<0.107.5+0.25/09.011.54.60.8
G4105.7±0.13409.3±3.004100/-0.10420+0.10/0<0.107.5+0.25/09.011.54.60.8
G4155.7±0.13414.3±3.004150/-0.10425+0.10/0<0.107.5+0.25/09.011.54.60.8
G4205.7±0.13419.3±3.004200/-0.10430+0.10/0<0.107.5+0.25/09.011.54.60.8
G4255.7±0.13424.3±3.004250/-0.10435+0.10/0<0.107.5+0.25/09.011.54.60.8
G4305.7±0.13429.3±3.004300/-0.10440+0.10/0<0.107.5+0.25/09.011.54.60.8
G4355.7±0.13434.3±3.004350/-0.10445+0.10/0<0.107.5+0.25/09.011.54.60.8
G4405.7±0.13439.3±3.004400/-0.10450+0.10/0<0.107.5+0.25/09.011.54.60.8
G4455.7±0.13444.3±3.004450/-0.10455+0.10/0<0.107.5+0.25/09.011.54.60.8
G4505.7±0.13449.3±3.004500/-0.10460+0.10/0<0.107.5+0.25/09.011.54.60.8
G4555.7±0.13454.3±3.304550/-0.10465+0.10/0<0.107.5+0.25/09.011.54.60.8
G4605.7±0.13459.3±3.304600/-0.10470+0.10/0<0.107.5+0.25/09.011.54.60.8
G4655.7±0.13464.3±3.304650/-0.10475+0.10/0<0.107.5+0.25/09.011.54.60.8
G4705.7±0.13469.3±3.304700/-0.10480+0.10/0<0.107.5+0.25/09.011.54.60.8
G4755.7±0.13474.3±3.304750/-0.10485+0.10/0<0.107.5+0.25/09.011.54.60.8
G4805.7±0.13479.3±3.304800/-0.10490+0.10/0<0.107.5+0.25/09.011.54.60.8
G4855.7±0.13484.3±3.304850/-0.10495+0.10/0<0.107.5+0.25/09.011.54.60.8
G4905.7±0.13489.3±3.304900/-0.10500+0.10/0<0.107.5+0.25/09.011.54.60.8
G4955.7±0.13494.3±3.304950/-0.10505+0.10/0<0.107.5+0.25/09.011.54.60.8
G5005.7±0.13499.3±3.305000/-0.10510+0.10/0<0.107.5+0.25/09.011.54.60.8
G5055.7±0.15504.3±3.705050/-0.10515+0.10/0<0.107.5+0.25/09.011.54.60.8
G5105.7±0.15509.3±3.705100/-0.10520+0.10/0<0.107.5+0.25/09.011.54.60.8
G5155.7±0.15514.3±3.705150/-0.10525+0.10/0<0.107.5+0.25/09.011.54.60.8
G5205.7±0.15519.3±3.705200/-0.10530+0.10/0<0.107.5+0.25/09.011.54.60.8
G5255.7±0.15524.3±3.705250/-0.10535+0.10/0<0.107.5+0.25/09.011.54.60.8
G5305.7±0.15529.3±3.705300/-0.10540+0.10/0<0.107.5+0.25/09.011.54.60.8
G5355.7±0.15534.3±3.705350/-0.10545+0.10/0<0.107.5+0.25/09.011.54.60.8
G5405.7±0.15539.3±3.705400/-0.10550+0.10/0<0.107.5+0.25/09.011.54.60.8
G5455.7±0.15544.3±3.705450/-0.10555+0.10/0<0.107.5+0.25/09.011.54.60.8
G5505.7±0.15549.3±3.705500/-0.10560+0.10/0<0.107.5+0.25/09.011.54.60.8
G5555.7±0.15554.3±4.005550/-0.10565+0.10/0<0.107.5+0.25/09.011.54.60.8
G5605.7±0.15559.3±4.005600/-0.10570+0.10/0<0.107.5+0.25/09.011.54.60.8
G5655.7±0.15564.3±4.005650/-0.10575+0.10/0<0.107.5+0.25/09.011.54.60.8
G5705.7±0.15569.3±4.005700/-0.10580+0.10/0<0.107.5+0.25/09.011.54.60.8
G5755.7±0.15574.3±4.005750/-0.10585+0.10/0<0.107.5+0.25/09.011.54.60.8
G5805.7±0.15579.3±4.005800/-0.10590+0.10/0<0.107.5+0.25/09.011.54.60.8
G5855.7±0.15584.3±4.005850/-0.10595+0.10/0<0.107.5+0.25/09.011.54.60.8
G5905.7±0.15589.3±4.005900/-0.10600+0.10/0<0.107.5+0.25/09.011.54.60.8
G5955.7±0.15594.3±4.005950/-0.10605+0.10/0<0.107.5+0.25/09.011.54.60.8
G6005.7±0.15599.3±4.006000/-0.10610+0.10/0<0.107.5+0.25/09.011.54.60.8
G6105.7±0.15609.3±4.706100/-0.10620+0.10/0<0.107.5+0.25/09.011.54.60.8
G6205.7±0.15619.3±4.706200/-0.10630+0.10/0<0.107.5+0.25/09.011.54.60.8
G6305.7±0.15629.3±4.706300/-0.10640+0.10/0<0.107.5+0.25/09.011.54.60.8
G6405.7±0.15639.3±4.706400/-0.10650+0.10/0<0.107.5+0.25/09.011.54.60.8
G6505.7±0.15649.3±4.706500/-0.10660+0.10/0<0.107.5+0.25/09.011.54.60.8
G6605.7±0.15659.3±4.706600/-0.10670+0.10/0<0.107.5+0.25/09.011.54.60.8
G6705.7±0.15669.3±4.706700/-0.10680+0.10/0<0.107.5+0.25/09.011.54.60.8
G6805.7±0.15679.3±4.706800/-0.10690+0.10/0<0.107.5+0.25/09.011.54.60.8
G6905.7±0.15689.3±4.706900/-0.10700+0.10/0<0.107.5+0.25/09.011.54.60.8
G7005.7±0.15699.3±4.707000/-0.10710+0.10/0<0.107.5+0.25/09.011.54.60.8
G7105.7±0.15709.3±4.707100/-0.10720+0.10/0<0.107.5+0.25/09.011.54.60.8
G7205.7±0.15719.3±4.707200/-0.10730+0.10/0<0.107.5+0.25/09.011.54.60.8
G7305.7±0.15729.3±4.707300/-0.10740+0.10/0<0.107.5+0.25/09.011.54.60.8
G7405.7±0.15739.3±4.707400/-0.10750+0.10/0<0.107.5+0.25/09.011.54.60.8
G7505.7±0.15749.3±4.707500/-0.10760+0.10/0<0.107.5+0.25/09.011.54.60.8
G7605.7±0.15759.3±5.307600/-0.10770+0.10/0<0.107.5+0.25/09.011.54.60.8
G7705.7±0.15769.3±5.307700/-0.10780+0.10/0<0.107.5+0.25/09.011.54.60.8
G7805.7±0.15779.3±5.307800/-0.10790+0.10/0<0.107.5+0.25/09.011.54.60.8
G7905.7±0.15789.3±5.307900/-0.10800+0.10/0<0.107.5+0.25/09.011.54.60.8
G8005.7±0.15799.3±5.308000/-0.10810+0.10/0<0.107.5+0.25/09.011.54.60.8
G8105.7±0.15809.3±6.008100/-0.10820+0.10/0<0.107.5+0.25/09.011.54.60.8
G8205.7±0.15819.3±6.008200/-0.10830+0.10/0<0.107.5+0.25/09.011.54.60.8
G8305.7±0.15829.3±6.008300/-0.10840+0.10/0<0.107.5+0.25/09.011.54.60.8
G8405.7±0.15839.3±6.008400/-0.10850+0.10/0<0.107.5+0.25/09.011.54.60.8
G8505.7±0.15849.3±6.008500/-0.10860+0.10/0<0.107.5+0.25/09.011.54.60.8
G8605.7±0.15859.3±6.008600/-0.10870+0.10/0<0.107.5+0.25/09.011.54.60.8
G8705.7±0.15869.3±6.008700/-0.10880+0.10/0<0.107.5+0.25/09.011.54.60.8
G8805.7±0.15879.3±6.008800/-0.10890+0.10/0<0.107.5+0.25/09.011.54.60.8
G8905.7±0.15889.3±6.008900/-0.10900+0.10/0<0.107.5+0.25/09.011.54.60.8
G9005.7±0.15899.3±6.009000/-0.10910+0.10/0<0.107.5+0.25/09.011.54.60.8
G9105.7±0.15909.3±6.709100/-0.10920+0.10/0<0.107.5+0.25/09.011.54.60.8
G9205.7±0.15919.3±6.709200/-0.10930+0.10/0<0.107.5+0.25/09.011.54.60.8
G9305.7±0.15929.3±6.709300/-0.10940+0.10/0<0.107.5+0.25/09.011.54.60.8
G9405.7±0.15939.3±6.709400/-0.10950+0.10/0<0.107.5+0.25/09.011.54.60.8
G9505.7±0.15949.3±6.709500/-0.10960+0.10/0<0.107.5+0.25/09.011.54.60.8
G9605.7±0.15959.3±6.709600/-0.10970+0.10/0<0.107.5+0.25/09.011.54.60.8
G9705.7±0.15969.3±6.709700/-0.10980+0.10/0<0.107.5+0.25/09.011.54.60.8
G9805.7±0.15979.3±6.709800/-0.10990+0.10/0<0.107.5+0.25/09.011.54.60.8
G9905.7±0.15989.3±6.709900/-0.101000+0.10/0<0.107.5+0.25/09.011.54.60.8
G10005.7±0.15999.3±6.7010000/-0.101010+0.10/0<0.107.5+0.25/09.011.54.60.8

※ 溝寸法は参考値です。