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轴的基本偏差数值(摘自GB/T 1800.3-1998)

注:1.基本尺寸小于或等于1mm时,基本偏差a和b均不采用。
2.轴js偏差=。对于公差带js7至js11,若ITn值数是奇数,取偏差=

基本尺寸 上偏差es 基本偏差数值
/mm 所有标准公差等级 IT5和IT6 IT7 IT8 IT4至IT7 ≤IT3>IT7
大于 a b c cd d e ef f fg g h j k
3 -270 -140 -60 -34 -20 -14 -10 -6 -4 -2 0 -2 -4 -6 0 0
3 6 -270 -140 -70 -46 -30 -20 -14 -10 -6 -4 0 -2 -4 +1 0
6 10 -280 -150 -80 -56 -40 -25 -18 -13 -8 -5 0 -2 -5 +1 0
10 14 -290 -150 -95 -50 -32 -16 -6 0 -3 -6 +1 0
14 18
18 24 -300 -160 -110 -65 -40 -20 -7 0 -4 -8 +2 0
24 30
30 40 -310 -170 -120 -80 -50 -25 -9 0 -5 -10 +2 0
40 50 -320 -180 -130
50 65 -340 -190 -140 -100 -60 -30 -10 0 -7 -12 +2 0
65 80 -360 -200 -150
80 100 -380 -220 -170 -120 -72 -36 -12 0 -9 -15 +3 0
100 120 -410 -240 -180
120 140 -460 -260 -200 -145 -85 -43 -14 0 -11 -18 +3 0
140 160 -520 -280 -210
160 180 -580 -310 -230
180 200 -660 -340 -240 -170 -100 -50 -15 0 -13 -21 +4 0
200 225 -740 -380 -260
225 250 -820 -420 -280
250 280 -920 -480 -300 -190 -110 -56 -17 0 -16 -26 +4 0
280 315 -1050 -540 -330
315 355 -1200 -600 -360 -210 -125 -62 -18 0 -18 -28 +4 0
355 400 -1350 -680 -400
400 450 -1500 -760 -440 -230 -135 -68 -20 0 -20 -32 +5 0
450 500 -1650 -840 -480
500 560 -260 -145 -76 -22 0 0 0
560 630
630 710 -290 -160 -80 -24 0 0 0
710 800
800 900 -320 -170 -86 -26 0 0 0
900 1000
1000 1120 -350 -195 -98 -28 0 0 0
1120 1250
1250 1400 -390 -220 -110 -30 0 0
1400 1600
1600 1800 -430 -240 -120 -32 0 0 0
1800 2000
2000 2240 -480 -260 -130 -34 0 0 0
2240 2500
2500 2800 -520 -290 -145 -38 0 0 0
2800 3150
基本尺寸 下偏差ei
/mm 所有标准公差等级
大于 m n p r s t u v x y z za zb zc
3 +2 +4 +6 +10 +14 +18 +20 +26 +32 +40 +60
3 6 +4 +8 +12 +15 +19 +23 +28 +35 +42 +50 +80
6 10 +6 +10 +15 +19 +23 +28 +34 +42 +5Z +67 +97
10 14 +7 +12 +18 +23 +28 +33 +40 +50 +64 +90 +130
14 18 +39 +45 +60 +77 +108 +150
18 24 +8 +15 +22 +28 +35 +41 +47 +54 +63 +73 +98 +136 +188
24 30 +41 +48 +55 +64 +75 +88 +118 +160 +218
30 40 +9 +17 +26 +34 +43 +48 +60 +68 +80 +94 +112 +148 +200 +274
40 50 +54 +70 +81 +97 +114 +136 +180 +242 +325
50 65 +11 +20 +32 +41 +53 +66 +87 +102 +122 +144 +172 +226 +300 +405
65 80 +43 +59 +75 +102 +120 +146 +174 +210 +274 +360 +480
80 100 +13 +23 +37 +51 +71 +91 +124 +146 +178 +214 +258 +335 +445 +585
100 120 +54 +79 +104 +144 +172 +210 +254 +310 +400 +525 +690
120 140 +15 +27 +43 +63 +92 +122 +170 +202 +248 +300 +365 +470 +620 +800
140 160 +65 +100 +0 +190 +228 +280 +340 +415 +535 +700 +900
160 180 +68 +108 +146 +210 +252 +310 +380 +465 +600 +780 +1000
180 200 +17 +31 +50 +77 +122 +166 +236 +284 +350 +425 +520 +670 +880 +1150
200 225 +80 +130 +180 +258 +310 +385 +470 +575 +740 +960 +1250
225 250 +84 +140 +196 +284 +340 +425 +520 +640 +820 +1050 +1350
250 280 +20 +34 +56 +94 +158 +218 +315 +385 +475 +580 +710 +920 +1200 +1550
280 315 +98 +170 +240 +350 +425 +525 +650 +790 +1000 +1300 +1700
315 355 +21 +37 +62 +108 +190 +268 +390 +475 +590 +730 +910 +1150 +1500 +1900
355 400 +114 +208 +294 +435 +530 +660 +820 +1000 +1300 +1650 +2100
400 450 +23 +40 +68 +126 +232 +330 +490 +595 +740 +920 +1100 +1450 +1850 +2400
450 500 +132 +252 +360 +540 +660 +820 +1000 +1250 +1600 +2100 +2600
500 560 +26 +44 +78 +150 +280 +400 +600
560 630 +155 +310 +450 +660
630 710 +30 +50 +88 +175 +340 +500 +740
710 800 +185 +380 +560 +840
800 900 +34 +56 +100 +210 +430 +620 +940
900 1000 +220 +470 +680 +1050
1000 1120 +40 +66 +120 +250 +520 +780 +1150
1120 1250 +260 +580 +840 +1300
1250 1400 +48 +78 +140 +300 +640 +960 +1450
1400 1600 +330 +720 +1050 +1600
1600 1800 +58 +92 +170 +370 +820 +1200 +1850
1800 2000 +400 +920 +1350 +2000
2000 2240 +68 +110 +195 +440 +1000 +1500 +2300
2240 2500 +460 +1100 +1650 +2500
2500 2800 +76 +135 +240 +550 +1250 +1900 +2900
2800 3150 +580 +1400 +2100 +3200