.2标准公差值及孔和轴的极限偏差值标准公差值（基本尺寸大于 6 至 500mm）基本尺寸mm公差等级IT5IT6IT7IT8IT9IT10IT11IT1261010181830691522365890150308111827437011018050913213352841302105011162539621001602508013193046741201903008015223554871402203501201825406310016025040012020294672115185290460180233252811302103205201802536578914023036057025027406397155250400630250315315400400500孔的极限差值（基本尺寸由大于10至315mm）公差 等基本尺寸mm带级0-18183305508801120-180-25030002018025015+77+98+119+146+174+208+242+2718+50+65+80+100+120+145+170+190+93+117+142+174+207+245+285+320D 9+50+65+80+100+120+145+170+190+120+149+180+220+260+305+355+40010+50+65+80+100+120+145+170+190+160+195+240+290+340+395+460+51011+50+65+80+100+120+145+170+190+43+53+66+79+94+110+129+1426+32+40+50+60+72+85+100+110+50+61+75+90+107+125+146+1627+32+40+50+60+72+85+100+110+59+73+89+106+126+148+172+191E8+32+40+50+60+72+85+100+110+75+92+112+134+159+185+215+2409+32+40+50+60+72+85+100+110+102+124+150+180+212+245+285+32010+32+40+50+60+72+85+100+110+27+33+41+49+58+68+79+886+16+20+25+30+36+43+50+56+34+41+50+60+71+83+96+108F7+16+20+25+30+36+43+50+56+43+53+64+76+90+106+122+137 8+16+20+25+30+36+43+50+56+59+72+87+104+123+143+165+1869+16+20+25+30+36+43+50+56+11+13+16+19+22+25+29+32H600000000公差级183305508801120-180-2503带0-180002018025015+18+21+25+30+35+40+46+52 700000000+27+33+39+46+54+63+72+81 800000000 9+43+52+62+74+ 8 7+100+115+13000000000+70+84+100+120+140+160+185+2101000000000+110+130+160+190+220+250+290+320 1100000000+2+2+3+4+4+4+5+56911131518212427+6+6+7+9+10+12+13+16K 71215182125283336+8+10+12+14+16+20+22+258192327323843505691112141620222562028243338455157578910121414N 7232833394552606633344455830364250586777861518212630364147P626313745526170791114172124283336 72935425159687988等基本尺寸mm轴的极限偏差（基本尺寸由于大于10至315mm）10-1183305508801120-180-250380002018025015基本尺寸mmd6-5-6-8-1-1-1-1-190065-70-900-120-145-170-1-222186194270997-5-6-8-1-1-1-1-1900-65-80-100-120-145-170-2-2428605305585168-5-6-8-1-1-1-1-1900-75-90-100-120-145-270-2-271781946740842 9-5-6-8-1-1-1-1-1900-95-10-100-120-245-270-2-320317427407458510-5-6-8-1-1-1-1-1900-15-10-100-220-245-370-3-40020498020600555f 7-1-2-2-3-3-4-5-566-30-45-50-66-73-80-9-1084100136差带差带1卜1183305508801120-180-250380002018025015基本尺寸mm8-1-2-2-3-3-4-5-56640-55-60-76-93-10-1-1373346006229-1-2-2-3-3-4-5-566-50-75-80