轴的基本偏差数值（GB/T 1800.3—1998）（mm）
基本尺寸/
mm
|
基 本 偏 差 数 值
|
上 偏 差 es
|
下 偏 差 ei
|
所 有 标 准 公 差 等 级
|
IT5和IT6
|
IT7
|
IT8
|
IT4至IT7
|
≤IT3
＞IT7
|
所 有 标 准 公 差 等 级
|
大于
|
至
|
a
|
B
|
c
|
Cd
|
d
|
e
|
ef
|
f
|
fg
|
g
|
h
|
js
|
J
|
K
|
M
|
n
|
p
|
R
|
S
|
T
|
U
|
v
|
X
|
Y
|
Z
|
za
|
Zb
|
zc
|
—
|
3
|
-270
|
-140
|
-60
|
-34
|
-20
|
-14
|
-10
|
-6
|
-4
|
-2
|
0
|
|
-2
|
-4
|
-6
|
0
|
0
|
+2
|
+4
|
+6
|
+10
|
+14
|
|
+18
|
|
+20
|
|
+26
|
+32
|
+40
|
+60
|
3
|
6
|
-270
|
-140
|
-70
|
-46
|
-30
|
-20
|
-14
|
-10
|
-6
|
-4
|
0
|
-2
|
-4
|
|
+1
|
0
|
+4
|
+8
|
+12
|
+15
|
+19
|
|
+23
|
|
+28
|
|
+35
|
+42
|
+50
|
+80
|
6
|
10
|
-280
|
-150
|
-80
|
-56
|
-40
|
-25
|
-18
|
-13
|
-8
|
-5
|
0
|
-2
|
-5
|
|
+1
|
0
|
+6
|
+10
|
+15
|
+19
|
+23
|
|
+28
|
|
+34
|
|
+42
|
+52
|
+67
|
+97
|
10
|
14
|
-290
|
-150
|
-95
|
|
-50
|
-32
|
|
-16
|
|
-6
|
0
|
-3
|
-6
|
|
+1
|
0
|
+7
|
+12
|
+18
|
+23
|
28
|
|
+33
|
|
+40
|
|
+50
|
+64
|
+90
|
+130
|
14
|
18
|
+39
|
+45
|
|
+60
|
+77
|
+108
|
+150
|
18
|
24
|
-300
|
-160
|
-110
|
|
-65
|
-40
|
|
-20
|
|
-7
|
0
|
-4
|
-8
|
|
+2
|
0
|
+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
|
-310
|
-170
|
-120
|
|
-80
|
-50
|
|
-25
|
|
-9
|
0
|
-5
|
-10
|
|
+2
|
0
|
+9
|
+17
|
+26
|
+34
|
+43
|
+48
|
+60
|
+68
|
+80
|
+94
|
+112
|
+148
|
+200
|
+274
|
40
|
50
|
-320
|
-180
|
-130
|
+54
|
+70
|
+81
|
+97
|
+114
|
+136
|
+180
|
+242
|
+325
|
50
|
65
|
-340
|
-190
|
-140
|
|
-100
|
-60
|
|
-30
|
|
-10
|
0
|
-7
|
-12
|
|
+2
|
0
|
+11
|
+20
|
+32
|
+41
|
+53
|
+66
|
+87
|
+102
|
+122
|
+144
|
+172
|
+226
|
+300
|
+405
|
65
|
80
|
-360
|
-200
|
-150
|
+43
|
+59
|
+75
|
+102
|
+120
|
+146
|
+174
|
+210
|
+274
|
+360
|
+480
|
80
|
100
|
-380
|
-220
|
-170
|
|
-120
|
-72
|
|
-36
|
|
-12
|
0
|
-9
|
-15
|
|
+3
|
0
|
+13
|
+23
|
+37
|
+51
|
+71
|
+91
|
+124
|
+146
|
+178
|
+214
|
+258
|
+335
|
+445
|
+585
|
100
|
120
|
-410
|
-240
|
-180
|
+54
|
+79
|
+104
|
+144
|
+172
|
+210
|
+254
|
+310
|
+400
|
+525
|
+690
|
120
|
140
|
-460
|
-260
|
-200
|
|
-145
|
-85
|
|
-43
|
|
-14
|
0
|
-11
|
-18
|
|
+3
|
0
|
+15
|
+27
|
+43
|
+63
|
+92
|
+122
|
+170
|
+202
|
+248
|
+300
|
+365
|
+470
|
+620
|
+800
|
140
|
160
|
-520
|
-280
|
-210
|
+65
|
+100
|
+134
|
+190
|
+228
|
+280
|
+340
|
+415
|
+535
|
+700
|
+900
|
160
|
180
|
-580
|
-310
|
-230
|
+68
|
+108
|
+146
|
+210
|
+252
|
+310
|
+380
|
+465
|
+600
|
+780
|
+1 000
|
180
|
200
|
-660
|
-340
|
-240
|
|
-170
|
-100
|
|
-50
|
|
-15
|
0
|
-13
|
-21
|
|
+4
|
0
|
+17
|
+31
|
+50
|
+77
|
+122
|
+166
|
+236
|
+284
|
+350
|
+425
|
+520
|
+670
|
+880
|
+1 150
|
200
|
225
|
-740
|
-380
|
-260
|
+80
|
+130
|
+180
|
+258
|
+310
|
+385
|
+470
|
+575
|
+740
|
+960
|
+1 250
|
225
|
250
|
-820
|
-420
|
-280
|
+84
|
+140
|
+196
|
+284
|
+340
|
+425
|
+520
|
+640
|
+820
|
+1 050
|
+1 350
|
250
|
280
|
-920
|
-480
|
-300
|
|
-190
|
-110
|
|
-56
|
|
-17
|
0
|
-16
|
-26
|
|
+4
|
0
|
+20
|
+34
|
+56
|
+94
|
+158
|
+218
|
+315
|
+385
|
+475
|
+580
|
+710
|
+920
|
+1 200
|
+1 550
|
280
|
315
|
-1 050
|
-540
|
-330
|
+98
|
+170
|
+240
|
+350
|
+425
|
+525
|
+650
|
+790
|
+1 000
|
+1 300
|
+1 700
|
315
|
355
|
-1 200
|
-600
|
-360
|
|
-210
|
-125
|
|
-62
|
|
-18
|
0
|
-18
|
-28
|
|
+4
|
0
|
+21
|
+37
|
+62
|
+108
|
+190
|
+268
|
+390
|
+475
|
+590
|
+730
|
+900
|
+1 150
|
+1 500
|
+1 900
|
355
|
400
|
-1 350
|
-680
|
-400
|
+114
|
+208
|
+294
|
+435
|
+530
|
+660
|
+820
|
+1 000
|
+1 300
|
+1 650
|
+2 100
|
400
|
450
|
-1 500
|
-760
|
-440
|
|
-230
|
-135
|
|
-68
|
|
-20
|
0
|
-20
|
-32
|
|
+5
|
0
|
+23
|
+40
|
+68
|
+126
|
+232
|
+330
|
+490
|
+595
|
+740
|
+920
|
+1 100
|
+1 450
|
+1 850
|
+2 400
|
450
|
500
|
-1 650
|
-840
|
-480
|
+132
|
+252
|
+360
|
+540
|
+660
|
+820
|
+1 000
|
+1 250
|
+1 600
|
+2 100
|
+2 600
|
500
|
560
|
|
|
|
|
-260
|
-145
|
|
-76
|
|
-22
|
0
|
|
|
|
0
|
0
|
+26
|
+44
|
+78
|
+150
|
+280
|
+400
|
+600
|
|
|
|
|
|
|
|
560
|
630
|
+155
|
+310
|
+450
|
+660
|
|
|
|
|
|
|
|
630
|
710
|
|
|
|
|
-290
|
-160
|
|
-80
|
|
-24
|
0
|
|
|
|
0
|
0
|
+30
|
+50
|
+88
|
+175
|
+340
|
+500
|
+740
|
|
|
|
|
|
|
|
710
|
800
|
+185
|
+380
|
+560
|
+840
|
|
|
|
|
|
|
|
800
|
900
|
|
|
|
|
-320
|
-170
|
|
-86
|
|
-26
|
0
|
|
|
|
0
|
0
|
+34
|
+56
|
+100
|
+210
|
+430
|
+620
|
+940
|
|
|
|
|
|
|
|
900
|
1 000
|
+220
|
+470
|
+680
|
+1 050
|
|
|
|
|
|
|
|
1 000
|
1 120
|
|
|
|
|
-350
|
-195
|
|
-98
|
|
-28
|
0
|
|
|
|
0
|
0
|
+40
|
+66
|
+120
|
+250
|
+520
|
+780
|
+1 150
|
|
|
|
|
|
|
|
1 120
|
1 250
|
+260
|
+580
|
+840
|
+1 300
|
|
|
|
|
|
|
|
1 250
|
1 400
|
|
|
|
|
-390
|
-220
|
|
-110
|
|
-30
|
0
|
|
|
|
0
|
0
|
+48
|
+78
|
+140
|
+300
|
+640
|
+960
|
+1 450
|
|
|
|
|
|
|
|
1 400
|
1 600
|
+330
|
+720
|
+1 050
|
+1 600
|
|
|
|
|
|
|
|
1 600
|
1 800
|
|
|
|
|
-430
|
-240
|
|
-120
|
|
-32
|
0
|
|
|
|
0
|
0
|
+58
|
+92
|
+170
|
+370
|
+820
|
+1 200
|
+1 850
|
|
|
|
|
|
|
|
1 800
|
2 000
|
+400
|
+920
|
+1 350
|
+2 000
|
|
|
|
|
|
|
|
2 000
|
2 240
|
|
|
|
|
-480
|
-260
|
|
-130
|
|
-34
|
0
|
|
|
|
0
|
0
|
+68
|
+110
|
+195
|
+440
|
+1 000
|
+1 500
|
+2 300
|
|
|
|
|
|
|
|
2 240
|
2 500
|
+460
|
+1 100
|
+1 650
|
+2 500
|
|
|
|
|
|
|
|
2 500
|
2 800
|
|
|
|
|
-520
|
-290
|
|
-145
|
|
-38
|
0
|
|
|
|
0
|
0
|
+76
|
+135
|
+240
|
+550
|
+1 250
|
+1 900
|
+2 900
|
|
|
|
|
|
|
|
2 800
|
3 150
|
+580
|
+1 400
|
+2 100
|
+3 200
|
|
|
|
|
|
|
|
注：1.基本尺寸≤1mm时，基本偏差a和b均不采用。
