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1、公差与配合 尺寸至 500mm 优先、常用孔、轴公差带和极限偏差（摘自 GB/T1800.41999） 基本尺寸 （mm） 优先、常用轴公差带和极限偏差 m 大于至d9d11f7f9g6h6h8h9h11js6k6m6n6r6s6u6v7 3 -20 -45 -20 -80 -6 -16 -6 -31 -2 -8 0 -6 0 -14 0 -25 0 -60 3 +6 0 +8 +2 +10 +4 +16 +10 +20 +14 +24 +18 36 -30 -60 -30 -105 -10 -22 -10 -40 -4 -12 0 -8 0 -18 0 -30 0 -75 4 +9 +1 +
2、12 +4 +16 +8 +23 +15 +27 +19 +31 +23 610 -40 -76 -40 -130 -13 -28 -13 -49 -5 -14 0 -9 0 -22 0 -36 0 -90 4.5 +10 +1 +15 +6 +19 +10 +28 +19 +32 +23 +37 +28 1014 1418 -50 -93 -50 -160 -16 -34 -16 -59 -6 -17 0 -11 0 -27 0 -43 0 -110 5.5 +12 +1 +18 +7 +23 +12 +34 +23 +39 +28 +44 +33+57 +39 1824 +54 +41 +
3、68 +47 2430 -65 -117 -65 -195 -20 -41 -20 -72 -7 -20 0 -13 0 -33 0 -52 0 -130 6.5 +15 +2 +21 +8 +28 +15 +41 +28 +48 +35+61 +48 +76 +55 3040 +76 +60 +93 +68 4050 -80 -142 -80 -240 -25 -50 -25 -87 -9 -25 0 -16 0 -39 0 -62 0 -160 8 +18 +2 +25 +9 +33 +17 +50 +34 +59 +43+86 +70 +106 +81 5065 +60 +41 +72
4、+53 +106 +87 +132 +102 6580 -100 -174 -100 -290 -30 -60 -30 -104 -10 -29 0 -19 0 -46 0 -74 0 -190 9.5 +21 +2 +30 +11 +39 +20+62 +43 +78 +59 +121 +102 +150 +120 80100 +73 +51 +93 +71 +146 +124 +181 +146 100120 -120 -207 -120 -340 -36 -71 -36 -123 -12 -34 0 -22 0 -54 0 -87 0 -220 11 +25 +3 +35 +13 +45
5、 +23+76 +54 +101 +79 +166 +144 +207 +172 120140 +88 +63 +117 +92 +195 +170 +242 +202 140160 +90 +65 +125 +100 +215 +190 +268 +228 160180 -145 -245 -145 -395 -43 -83 -43 -143 -14 -39 0 -25 0 -63 0 -100 0 -250 12.5 +28 +3 +40 +15 +52 +27 +93 +68 +133 +108 +235 +210 +292 +252 180200 +106 +77 +151 +122
6、+265 +236 +330 +284 200225 +109 +80 +159 +130 +287 +258 +356 +310 225250 -170 -285 -170 -460 -50 -96 -50 -165 -15 -44 0 -29 0 -72 0 -115 0 -290 14.5 +33 +4 +46 +17 +60 +31 +113 +84 +169 +140 +313 +284 +386 +340 250280 +126 +94 +190 +158 +347 +315 +437 +385 280315 -190 -320 -190 -510 -56 -108 -56 -18
7、5 -17 -49 0 -32 0 -81 0 -130 0 -320 16 +36 +4 +52 +20 +66 +34+130 +98 +202 +170 +382 +350 +477 +425 315355 +144 +108 +226 +190 +426 +390 +532 +475 355400 -210 -350 -210 -570 -62 -119 -62 -202 -18 -54 0 -36 0 -89 0 -140 0 -360 18 +40 +4 +57 +21 +73 +37+150 +114 +244 +208 +471 +435 +587 +530 400450 +1
8、66 +126 +272 +232 +530 +490 +658 +595 450500 -230 -385 -230 -630 -68 -131 -68 -223 -20 -60 0 -40 0 -97 0 -155 0 -400 20 +45 +5 +63 +23 +80 +40+172 +132 +292 +252 +580 +540 +723 +660 500560 +194 +150 +324 +280 +644 +600 560630 -260 -435 -260 -700 -76 -146 -76 -251 -22 -66 0 -44 0 -110 0 -175 0 -440 2
9、2 +44 0 +70 +26 +88 +44+199 +155 +354 +310 +704 +660 630710 +225 +175 +390 +340 +790 +740 710800 -290 -490 -290 -790 -80 -160 -80 -280 -24 -74 0 -50 0 -125 0 -200 0 -500 25 +50 0 +80 +30 +100 +50+235 +185 +430 +380 +890 +840 800900-320-320-86-86-26000028+56+90+112+266+486+996 +210+430+940 9001000 -5
10、50-880-176-316-82-56-140-230-5600+34+56 +276 +220 +526 +470 +1106 +1050 1000 +316 +250 +586 +520 +1216 +1150 1120 1120 1250 -350 -610 -350 -1010 -98 -203 -98 -358 -28 -94 0 -66 0 -165 0 -260 0 -660 33 +66 0 +106 +40 +132 +66+326 +260 +646 +580 +1366 +1300 1250 +378 +300 +718 +640 +1528 +1450 1400 14
11、00 1600 -390 -700 -390 -1170 -110 -235 -110 -420 -30 -108 0 -78 0 -195 0 -310 0 -780 39 +78 0 +126 +48 +156 +78+408 +330 +798 +720 +1678 +1600 1600 +462 +370 +912 +820 +1942 +1850 1800 1800 2000 -430 -800 -430 -1350 -120 -270 -120 -490 -32 -124 0 -92 0 -230 0 -370 0 -920 46 +92 0 +150 +58 +184 +92+4
12、92 +400 +1012 +920 +2092 +2000 2000 +550 +440 +1110 +1000 +2410 +2300 2240 2240 2500 -480 -920 -480 -1580 -130 -305 -130 -570 -34 -144 0 -110 0 -280 0 -440 0 -1100 55 +110 0 +178 +68 +220 +110+570 +460 +1210 +1100 +2610 +2500 2500 +685 +550 +1385 +1250 +3035 +2900 2800 2800 3150 -520 -1060 -520 -187
13、0 -145 -355 -145 -685 -38 -173 0 -135 0 -330 0 -540 0 -1350 67.5 +135 0 +211 +76 +270 +135+715 +580 +1535 +1400 +3335 +3200 基本尺寸基本尺寸（mm） 优先、常用孔公差带和极限偏差 优先、常用孔公差带和极限偏差 m 大于至D10E9F8F9G7H7H8H9H11J7K7M7 3 +60 +20 +39 +14 +20 +6 +31 +6 +12 +2 +10 0 +14 0 +25 0 +60 0 +4 -6 0 -10 -2 -12 36 +78 +30 +50 +20
14、+28 +10 +40 +10 +16 +4 +12 0 +18 0 +30 0 +75 0 6 +3 -9 0 -12 610 +98 +40 +61 +25 +35 +13 +49 +13 +20 +5 +15 0 +22 0 +36 0 +90 0 +8 -7 +5 -10 0 -15 1018 +120 +50 +75 +32 +43 +16 +59 +16 +24 +6 +18 0 +27 0 +43 0 +110 0 +10 -8 +6 -12 0 -18 1830 +149 +65 +92 +40 +53 +20 +72 +20 +28 +7 +21 0 +33 0 +52 0
15、+130 0 +12 -9 +6 -15 0 -21 3050 +180 +80 +112 +50 +64 +25 +87 +25 +34 +9 +25 0 +39 0 +62 0 +160 0 +14 -11 +7 -18 0 -25 5080 +220 +100 +134 +60 +76 +30 +104 +30 +40 +10 +30 0 +46 0 +74 0 +190 0 +18 -12 +9 -21 0 -30 80120 +260 +120 +159 +72 +90 +36 +123 +36 +47 +12 +35 0 +54 0 +87 0 +220 0 +22 -13 +10
16、 -25 0 -35 120180 +305 +145 +185 +85 +106 +43 +143 +43 +54 +14 +40 0 +63 0 +100 0 +250 0 +26 -14 +12 -28 0 -40 180250 +355 +170 +215 +100 +122 +50 +165 +50 +61 +15 +46 0 +72 0 +115 0 +290 0 +30 -16 +13 -33 0 -46 250315 +400 +190 +240 +110 +137 +56 +186 +56 +69 +17 +52 0 +81 0 +130 0 +320 0 +36 -16 +16 -36 0 -52 315400 +440 +210 +265 +125 +151 +62 +202 +62 +75 +18 +57 0 +89 0 +140 0 +360 0 +39 -18 +17 -40 0 -57 400500 +480 +23
