公差与配合 尺寸至500m m 优先、常用孔、轴公差带和极限偏差(摘自GB/T1800.4—1999) 基本尺寸 (mm) 优先、常用轴公差带和极限偏差 μm 大于 至 d9 d11 f7 f9 g6 h6 h8 h9 h11 js6 k6 m6 n6 r6 s6 u6 v7 — 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 3 6 -30 -60 -30 -105 -10 -22 -10 -40 -4 -12 0 -8 0 -18 0 -30 0 -75 ±4 +9 +1 +12 +4 +16 +8 +23 +15 +27 +19 +31 +23 6 10 -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 10 14 -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 14 18 +57 +39 18 24 -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 +54 +41 +68 +47 24 30 +61 +48 +76 +55 30 40 -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 +76 +60 +93 +68 40 50 +86 +70 +106 +81 50 65 -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 +60 +41 +72 +53 +106 +87 +132 +102 65 80 +62 +43 +78 +59 +121 +102 +150 +120 80 100 -120 -207 -120 -340 -36 -71 -36 -123 -12 -34 0 -22 0 -54 0 -87 0 -220 ±11 +25 +3 +35 +13 +45 +23 +73 +51 +93 +71 +146 +124 +181 +146 100 120 +76 +54 +101 +79 +166 +144 +207 +172 120 140 -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 +88 +63 +117 +92 +195 +170 +242 +202 140 160 +90 +65 +125 +100 +215 +190 +268 +228 160 180 +93 +68 +133 +108 +235 +210 +292 +252 180 200 -170 -285...