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Fitting Tolerances(Excerpt from JIS B 0401)

Last updated:18 June 2019

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Hole Dimensional Tolerances (Excerpt from JIS B 0401)

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E7～H10

Unit [µm]

Size classification
[mm]		 E F G H
Over Equal to or lower than E7 E8 E9 F6 F7 F8 G6 G7 H5 H6 H7 H8 H9 H10
3 6 +32
+20		 +38
+20		 +50
+20		 +18
+10		 +22
+10		 +28
+10		 +12
+4		 +16
+4		 +5
0		 +8
0		 +12
0		 +18
0		 +30
0		 +48
0
6 10 +40
+25		 +47
+25		 +61
+25		 +22
+13		 +28
+13		 +35
+13		 +14
+5		 +20
+5		 +6
0		 +9
0		 +15
0		 +22
0		 +36
0		 +58
0
10 14 +50
+32		 +59
+32		 +75
+32		 +27
+16		 +34
+16		 +43
+16		 +17
+6		 +24
+6		 +8
0		 +11
0		 +18
0		 +27
0		 +43
0		 +70
0
14 18
18 24 +61
+40		 +73
+40		 +92
+40		 +33
+20		 +41
+20		 +53
+20		 +20
+7		 +28
+7		 +9
0		 +13
0		 +21
0		 +33
0		 +52
0		 +84
0
24 30
30 40 +75
+50		 +89
+50		 +112
+50		 +41
+25		 +50
+25		 +64
+25		 +25
+9		 +34
+9		 +11
0		 +16
0		 +25
0		 +39
0		 +62
0		 +100
0
40 50
50 65 +90
+60		 +106
+60		 +134
+60		 +49
+30		 +60
+30		 +76
+30		 +29
+10		 +40
+10		 +13
0		 +19
0		 +30
0		 +46
0		 +74
0		 +120
0
65 80
80 100 +107
+72		 +126
+72		 +159
+72		 +58
+36		 +71
+36		 +90
+36		 +34
+12		 +47
+12		 +15
0		 +22
0		 +35
0		 +54
0		 +87
0		 +140
0
100 120
120 140 +125
+85		 +148
+85		 +185
+85		 +68
+43		 +83
+43		 +106
+43		 +39
+14		 +54
+14		 +18
0		 +25
0		 +40
0		 +63
0		 +100
0		 +160
0
140 160
160 180
180 200 +146
+100		 +172
+100		 +215
+100		 +79
+50		 +96
+50		 +122
+50		 +44
+15		 +61
+15		 +20
0		 +29
0		 +46
0		 +72
0		 +115
0		 +185
0
200 225
225 250
250 280 +162
+110		 +191
+110		 +240
+110		 +88
+56		 +108
+56		 +137
+56		 +49
+17		 +69
+17		 +23
0		 +32
0		 +52
0		 +81
0		 +130
0		 +210
0
280 315
315 355 +182
+125		 +214
+125		 +265
+125		 +98
+62		 +119
+62		 +151
+62		 +54
+18		 +75
+18		 +25
0		 +36
0		 +57
0		 +89
0		 +140
0		 +230
0
355 400
400 450 +198
+135		 +232
+135		 +290
+135		 +108
+68		 +131
+68		 +165
+68		 +60
+20		 +83
+20		 +27
0		 +40
0		 +63
0		 +97
0		 +155
0		 +250
0
450 500
* The values in the upper row in the table below show the upper deviations and the values in the lower row show the lower deviations.

Js6～R7

Unit [µm]

Size classification
[mm]		 Js J K M N P R
Over Equal to or lower than Js6 Js7 J6 J7 K6 K7 M6 M7 N6 N7 P7 R7
3 6 ±4 ±6 +5
-3		 ±6 +2
-6		 +3
-9		 -1
-9		 0
-12		 -5
-13		 -4
-16		 -8
-20		 -11
-23
6 10 ±4.5 ±7.5 +5
-4		 +8
-7		 +2
-7		 +5
-10		 -3
-12		 0
-15		 -7
-16		 -4
-19		 -9
-24		 -13
-28
10 14 ±5.5 ±9 +6
-5		 +10
-8		 +2
-9		 +6
-12		 -4
-15		 0
-18		 -9
-20		 -5
-23		 -11
-29		 -16
-34
14 18
18 24 ±6.5 ±10.5 +8
-5		 +12
-9		 +2
-11		 +6
-15		 -4
-17		 0
-21		 -11
-24		 -7
-28		 -14
-35		 -20
-41
24 30
30 40 ±8 ±12.5 +10
-6		 +14
-11		 +3
-13		 +7
-18		 -4
-20		 0
-25		 -12
-28		 -8
-33		 -17
-42		 -25
-50
40 50
50 65 ±9.5 ±15 +13
-6		 +18
-12		 +4
-15		 +9
-21		 -5
-24		 0
-30		 -14
-33		 -9
-39		 -21
-51		 -30
-60
65 80 -32
-62
80 100 ±11 ±17.5 +16
-6		 +22
-13		 +4
-18		 +10
-25		 -6
-28		 0
-35		 -16
-38		 -10
-45		 -24
-59		 -38
-73
100 120 -41
-76
120 140 ±12.5 ±20 +18
-7		 +26
-14		 +4
-21		 +12
-28		 -8
-33		 0
-40		 -20
-45		 -12
-52		 -28
-68		 -48
-88
140 160 -50
-90
160 180 -53
-93
180 200 ±14.5 ±23 +22
-7		 +30
-16		 +5
-24		 +13
-33		 -8
-37		 0
-46		 -22
-51		 -14
-60		 -33
-79		 - 60
-106
200 225 -63
-109
225 250 -67
-113
250 280 ±16 ±26 +25
-7		 +36
-16		 +5
-27		 +16
-36		 -9
-41		 0
-52		 -25
-57		 -14
-66		 -36
-88		 -74
-126
280 315 -78
-130
315 355 ±18 ±28.5 +29
-7		 +39
-18		 +7
-29		 +17
-40		 -10
-46		 0
-57		 -26
-62		 -16
-73		 -41
-98		 -87
-144
355 400 -93
-150
400 450 ±20 ±31.5 +33
-7		 +43
-20		 +8
-32		 +18
-45		 -10
-50		 0
-63		 -27
-67		 -17
-80		 -45
-108		 -103
-166
450 500 -109
-172
* The values in the upper row in the table below show the upper deviations and the values in the lower row show the lower deviations.

Shaft Dimensional Tolerances (Excerpt from JIS B 0401)

d8～h9

Unit [µm]

Size classification
[mm]		 d e f g h
Over Equal to or lower than d8 d9 e7 e8 e9 f6 f7 f8 g5 g6 h5 h6 h7 h8 h9
3 6 -30
-48		 -30
-60		 -20
-32		 -20
-38		 -20
-50		 -10
-18		 -10
-22		 -10
-28		 -4
-9		 -4
-12		    0
-5		    0
-8		    0
-12		    0
-18		    0
-30
6 10 -40
-62		 -40
-76		 -25
-40		 -25
-47		 -25
-61		 -13
-22		 -13
-28		 -13
-35		 -5
-11		 -5
-14		    0
-6		    0
-9		    0
-15		    0
-22		    0
-36
10 14 -50
-77		 -50
-93		 -32
-50		 -32
-59		 -32
-75		 -16
-27		 -16
-34		 -16
-43		 -6
-14		 -6
-17		    0
-8		    0
-11		    0
-18		    0
-27		    0
-43
14 18
18 24 -65
-98		 -65
-117		 -40
-61		 -40
-73		 -40
-92		 -20
-33		 -20
-41		 -20
-53		 -7
-16		 -7
-20		    0
-9		    0
-13		    0
-21		    0
-33		    0
-52
24 30
30 40 -80
-119		 -80
-142		 -50
-75		 -50
-89		 -50
-112		 -25
-41		 -25
-50		 -25
-64		 -9
-20		 -9
-25		    0
-11		    0
-16		    0
-25		    0
-39		    0
-62
40 50
50 65 -100
-146		 -100
-174		 -60
-90		 -60
-106		 -60
-134		 -30
-49		 -30
-60		 -30
-76		 -10
-23		 -10
-29		    0
-13		    0
-19		    0
-30		    0
-46		    0
-74
65 80
80 100 -120
-174		 -120
-207		 -72
-107		 -72
-126		 -72
-159		 -36
-58		 -36
-71		 -36
- 90		 -12
-27		 -12
-34		    0
-15		    0
-22		    0
-35		    0
-54		    0
-87
100 120
120 140 -145
-208		 -145
-245		 -85
-125		 -85
-148		 -85
-185		 -43
-68		 -43
-83		 -43
-106		 -14
-32		 -14
-39		    0
-18		    0
-25		    0
-40		    0
-63		    0
-100
140 160
160 180
180 200 -170
-242		 -170
-285		 -100
-146		 -100
-172		 -100
-215		 -50
-79		 -50
-96		 -50
-122		 -15
-35		 -15
-44		    0
-20		    0
-29		    0
-46		    0
-72		    0
-115
200 225
225 250
250 280 -190
-271		 -190
-320		 -110
-162		 -110
-191		 -110
-240		 -56
-88		 -56
-108		 -56
-137		 -17
-40		 -17
-49		    0
-23		    0
-32		    0
-52		    0
-81		    0
-130
280 315
315 355 -210
-299		 -210
-350		 -125
-182		 -125
-214		 -125
-265		 -62
-98		 -62
-119		 -62
-151		 -18
-43		 -18
-54		    0
-25		    0
-36		    0
-57		    0
-89		    0
-140
355 400
400 450 -230
-327		 -230
-385		 -135
-198		 -135
-232		 -135
-290		 -68
-108		 -68
-131		 -68
-165		 -20
-47		 -20
-60		    0
-27		    0
-40		    0
-63		    0
-97		    0
-155
450 500
* The values in the upper row in the table below show the upper deviations and the values in the lower row show the lower deviations.

js5～r6

Unit [µm]

Size classification
[mm]		 js j k m n p r
Over Equal to or lower than js5 js6 js7 j5 j6 k5 k6 m5 m6 n6 p6 r6
3 6 ±2.5 ±4 ±6 +3
-2		 +6
-2		 +6
+1		 +9
+1		 +9
+4		 +12
+4		 +16
+8		 +20
+12		 +23
+15
6 10 ±3 ±4.5 ±7.5 +4
-2		 +7
-2		 +7
+1		 +10
+1		 +12
+6		 +15
+6		 +19
+10		 +24
+15		 +28
+19
10 14 ±4 ±5.5 ±9 +5
-3		 +8
-3		 +9
+1		 +12
+1		 +15
+7		 +18
+7		 +23
+12		 +29
+18		 +34
+23
14 18
18 24 ±4.5 ±6.5 ±10.5 +5
-4		 +9
-4		 +11
+2		 +15
+2		 +17
+8		 +21
+8		 +28
+15		 +35
+22		 +41
+28
24 30
30 40 ±5.5 ±8 ±12.5 +6
-5		 +11
-5		 +13
+2		 +18
+2		 +20
+9		 +25
+9		 +33
+17		 +42
+26		 +50
+34
40 50
50 65 ±6.5 ±9.5 ±15 +6
-7		 +12
-7		 +15
+2		 +21
+2		 +24
+11		 +30
+11		 +39
+20		 +51
+32		 +60
+41
65 80 +62
+43
80 100 ±7.5 ±11 ± 17.5 +6
-9		 +13
-9		 +18
+3		 +25
+3		 +28
+13		 +35
+13		 +45
+23		 +59
+37		 +73
+51
100 120 +76
+54
120 140 ±9 ±12.5 ±20 +7
-11		 +14
-11		 +21
+3		 +28
+3		 +33
+15		 +40
+15		 +52
+27		 +68
+43		 +88
+63
140 160 +90
+65
160 180 +93
+68
180 200 ±10 ±14.5 ±23 +7
-13		 +16
-13		 +24
+4		 +33
+4		 +37
+17		 +46
+17		 +60
+31		 +79
+50		 +106
+77
200 225 +109
+80
225 250 +113
+84
250 280 ±11.5 ±16 ±26 +7
-16		 ±16 +27
+4		 +36
+4		 +43
+20		 +52
+20		 +66
+34		 +88
+56		 +126
+94
280 315 +130
+98
315 355 ±12.5 ±18 ±28.5 +7
-18		 ±18 +29
+4		 +40
+4		 +46
+21		 +57
+21		 +73
+37		 +98
+62		 +144
+108
355 400 +150
+114
400 450 ±13.5 ±20 ±31.5 +7
-20		 ±20 +32
+5		 +45
+5		 +50
+23		 +63
+23		 +80
+40		 +108
+68		 +166
+126
450 500 +172
+132
* The values in the upper row in the table below show the upper deviations and the values in the lower row show the lower deviations.

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