Page 1574 - MISUMI Thailand Economy Series
P. 1574
[Technical Data]
Basis of Fitting Selection/Dimensional Tolerances and Fitting
Drawing Manual in JIS (How To Use) Series Excerpted and edited from JIS B0401-1, -2 (1998)
Dimension Tolerance of Shaft, Regularly Used Fitting
H6 H7 H8 H9 Applicable Part Functional Classification Application Example Reference
Dimension Class of Tolerance Range for Shafts UnitOm
(mm)
Loose Fit c9 Part which accommodates a wide gap or moving part which needs a gap. Part whose structure needs a gap. Piston Ring and the Ring Groove More than or Less b9 c9 d8 d9 e7 e8 e9 f6 一6 f7 一6 f8 一6 g5 g6 h5 0 h6 0 h7 0 h8 0 h9 0 js5 js6 js7 k5 k6 m5 m6 n5 * n6 p6 +16 s6 t6 u6 +26
X6
r6
Part which accommodates a wide gap to facilitate assembling.
Inflates. Large position error
Fitting by means of a loose set pin.
Part which needs an appropriate gap even at a high temperature.
一60
+6
+4
一2
一14
一20
一20
+6
+8
+8
+12
{ Fitting length is long.
一2
+20
+10
一140
一14
一14
+24
Ú3
Ú2
Ú5
3
+6
+4
+2
+4
+2
一8
Cost needs to be reduced. Crank Web and Pin Bearing(Side) 一 3 6 一165 一85 一34 一45 一24 一28 一39 一12 一16 一20 一6 一12 一4 0 0 一6 0 0 一10 0 0 一14 0 0 一25 0 0 Ú2.5 Ú4 Ú6 +6 0 +10 0 +12 +12 +13 +16 +20 +10 +14 一 一 +18 +20
一10
一4
+31
+9
+9
一20
一140
一4
一20
+23
一70
一20
一10
一30
+36
一10
一30
+27
Can be Moved Relatively Clearance Fit Light Roll Fit Roll Fit f6 e7 e8 e9 Part which accommodates a wide gap or needs a gap. Regular Rotary or Sliding Part Fitting of the Exhaust Valve Box 10 14 18 6 10 14 18 24 一186 一116 一62 一76 一40 一47 一61 一22 一28 一35 一11 一14 一6 0 0 一11 0 0 一15 0 0 一22 0 0 一36 0 0 Ú3 Ú4.5 Ú7.5 +11 +12 +15 +18 +10 +10 +15 +19 +23 一 一 一 +28 +34
Manufacturing Cost
一9
一18
+19
一38
+15
一22
+4
一170 一100
+8
+4
+8
一8
一12
d9
一18
一5
Exhaust Valve Box and the Sliding Part of a Spring Bearing
一50
一60
一48
+23
+1
Part which accommodates or needs a gap.
一28
+1
一32
+12
d9
+28
一30
{ Maintenance Cost
一13
一5
+24
一13
+16
+43
一80
+37
+32
一40
一25
一40
一5
+7
+28
+15
Piston Ring and the Ring Groove
一25
一150
+19
一13
一25
+1
一9
+1
+6
+6
+51
Main Bearing for the Crank Shaft
Fairly wide gap, well greased bearing.
+40
+9
+39
+29
+20
一16
+34
一150
一16
+23
一32
一32
+44
一16
一32
一6
一50
一50
一95
一6
Ú4
Ú9
Ú5.5
(Must be well greased.)
一50
+1
+33
+1
一34
一75
一193 一138
一17
一59
一77
一18
一8
+12
一27
+28
+18
一43
一93
+12
+7
一43 一14
一27
+7
+23
Bearing subjected to a high temperature, high speed and heavy load(high-degree forced lubrication).
Regular Sliding Part
+56
+45
Part in which a cooled exhaust valve box is inserted.
Fitting so as to provide an appropriate gap to permit movement(high-quality
+67
Regular Fitting
+54
f7
fitting).
Regular Shaft and Bushing
f7
+24
+35
一65
一40
+21
一160 一110
一65
+48
+28
+54
一7
+41
一20
一40
+17
+41
一7
一40
一20
+15
一20
(Often comes apart.)
+2
+8
+8
一98 一117
一9
+2
+64
+48
+41
Fine Roll Fit g5 g6 f8 Regular normal temperature bearing lubricated with grease or oil. Part required to make a precision Link Device Lever and Bushing 24 30 40 30 40 50 一212 一162 一119 一142 一61 一73 一92 一33 一41 一53 一16 一20 一11 0 一13 0 一21 0 一33 0 一52 0 Ú4.5 Ú6.5 Ú10.5 +13 +18 +20 +25 +15 +15 +22 +28 +35 +54 +61 +77
Continuously revolving part of a precision machine under a light load.
Link Device Pin and Lever
+76
一170 一120
+64
+60
Key and its Groove
+48
Fitting with a narrow gap so as to permit movement(spigot and positioning).
一232 一182
一9
一25
一80
一50
一50
一9
一80
一50
+33
一25
+50
+59
+28
一25
+42
Ú8
Ú5.5
motion with virtually no play.
Ú12.5
一
+9
+17
一64 一20
+2
一25
+2
Precision Control Valve Rod
一75
Precision sliding part.
一41
+34
+9
一50
+26
一62
一16
+43
一89 一112
一25
+17
一39
+86
+70
一180 一130
一242 一192
+54
+70
Sliding Fit h5 h6 h7 h9 Fitting so as to permit movement by hand, with a lubricant applied.(high-quality positioning) Fitting a rim and a boss together 50 65 65 80 一190 一140 一146 一174 一60 一60 一60 一30 一30 一30 一10 一10 一13 0 一19 0 一30 0 一46 0 一74 0 Ú6.5 Ú9.5 Ú15 +15 +21 +24 +30 +33 +39 +51 +60 +72 +85 +106 一
Special High Precision Sliding Part
Fitting the gear of a precision gear
一264 一214 一100 一100
+66
+41
+53
+87
h8
+32
+11
device
+2
一76 一23
一90 一106 一134
+20
一60
+20
一49
+2
+11
Unimportant Stationary Part
一29
+78
一200 一150
+62
+94 +121
+59
+75 +102
+43
一274 一224
Push Fit h5 js6 Fitting which accommodates a light gap. Can be Force cannot be Fitting Coupling Flanges Together 100 120 一220 一170 一174 一207 一107 一126 一159 一36 一36 一36 一12 一12 一15 0 一22 0 一35 0 一54 0 一87 0 Ú7.5 Ú11 Ú17.5 +18 +25 +28 +35 +38 +45 +59 +73 +93 +113 +146 一
80 100
Precision fitting which locks both parts while the unit is used.
Governor Path and Pin
+71
+51
+91 +124
一307 一257 一120 一120
一72
一72
一72
h6
Fitting a Gear Rim and a Boss Together
Fitting which allows assembling and disassembling with a wooden or lead hammer.
+37
+76 +101 +126 +166
+23
+3
+3
一90 一27
一34
+23
一71
+13
+13
一58
一240 一180
Clearance Fit Driving Fit js5 m6 Fitting which requires an iron hammer or hand press for assembling, disassembling disassembled, fitting force alone. Fixing the Shaft of a Gear Pump and a Casing 120 140 一327 一267 一145 一145 一85 一85 一85 一43 一43 一43 一14 一14 一18 0 一25 0 一40 0 一63 0 一100 0 Ú9 Ú12.5 Ú20 +21 +28 +33 +40 一 +52 +68 +54 +79 +104 +144 一
transmitted by the
+88 +117 +147
一260 一200
(a key or the like is necessary to prevent inter-part shaft rotation).
k6
Together
reassembled
+63
+92 +122
一360 一300
Reamer Bolts
Precision positioning.
without damaging
一280 一210
+90 +125 +159
component parts.
140 160
Reamer Bolts
一
Cannot be Moved Relatively Light Press Fit Press Fit m5 n6 Precision positioning which allows no gap. Slight force can be Fitting a Coupling Flange and a Shaft Together 160 180 一410 一330 一170 一170 一100 一100 一100 一50 一50 一50 一15 一15 一20 0 一29 0 一46 0 一72 0 一115 0 Ú10 Ú14.5 Ú23 +24 +33 +37 +46 一 +60 +79 +109 +159 一 一 一
+65 +100 +134
一208 一245 一125 一148 一185
+15
一39
+43
+27
+3
一380 一310
+15
一83 一106 一32
+3
一68
Same as the above for assembling and disassembling.
k5
Fixing the piston of hydraulic equipment and a shaft together
+93 +133 +171
一310 一230
+68 +108 +146
+106 +151
一340 一240
180 200
Shaft of a Flexible Coupling and Gear(Passive Side)
Fitting which requires considerable force for assembling, disassembling.
一455 一355
+77 +122
Precision Fitting
Precision stationary fitting(a key or the like is necessary for high torque
一380 一260
200 225
+31
一242 一285 一146 一172 一215
+50
+4
transmission purposes)
一44
+17
+80 +130
+4
Insertion of a Suction Valve and Valve Guide
一495 一375
一96 一122 一35
一79
+17
一420 一280
+113 +169
225 250
transmitted by the Insertion of a Suction Valve and Valve Guide
Fitting which requires much force for assembling, disassembling(a key or the like is necessary for high
一535 一395
+84 +140
n5
p6
Fixing a Gear and a Shaft Together(Low Torque)
fitting force alone.
torque transmission). Light press fitting or the like is necessary for non-ferrous component parts.
一480 一300
+126
n6
250 280
+94
+20
+4
+20
一49
一88 一108 一137 一40
+34
一271 一320 一162 一191 一240
+4
一540 一330
+56 +130
Same as the above for assembling and disassembling
+98
Interference Fit Strong Press Fit, Shrinkage Fit, Freeze Fit p5 r6 Standard press fitting is required for iron component parts and a bronze part and a copper part. Hard to Considerable force Shaft of a Flexible Coupling and a Gear(Drive Side) 280 315 一610 一430 一190 一190 一110 一110 一110 一56 一56 一56 一17 一17 一23 0 0 0 一32 0 0 0 一52 0 0 0 一81 0 0 0 一130 0 0 0 Ú11.5 Ú16 Ú26 +27 +36 +43 +52 一 一 一 +66 +88 +144 一 一 一 一 一 一 一 一 一 一 一
一670 一460
Shrinkage press fitting, cold press fitting or forced press fitting is required for large
Coupling and Shaft
一600 一360
315 355
component parts.
一62
+29
一62 一18
+40
一740 一500 一210 一210 一125 一125 一125
一62
+46
一18
disassemble
+73
+98 +108
+57
Ú12.5 Ú18
Ú28.5
一89
一25
+4
一140
一299 一350 一182 一214 一265
一36
+4
+37
一57
一98 一119 一151 一43
+21
Attaching and Fixing a Bearing Bushing
+21
一54
without damaging
s6
+62 +150
一680 一400
355 400
一820 一540
+114
component parts.
Firmly coupled together and requires shrinkage press fitting, cold
Insertion of a Suction Valve and Valve Box
can be transmitted
+166
t6
一760 一440
Fixing a Coupling Flange and a Shaft
press fitting or
400 450
by the fitting force
+80 +108 +126
+63
+50
r5
一68
一20
+45
+32
一915 一595 一230 一230 一135 一135 一135
一68 一20
一68
Ú13.5 Ú20
Ú31.5
Together(High Torque)
forced press fitting. Permanent assembly, which can not come apart.
alone.
一97
一155
一63
一40
一327 一385 一198 一232 一290 一108 一131 一165 一47
一27
一840 一480
u6
450 500
Press fitting or the like is required for light alloy members.
一995 一635
+132
Fixing the Rim of a Drive Gear and a Boss Together
Attaching and Fixing a Bearing Bushing
x6
Reference
1.1 Fitting, with Regularly Used Hole Adopted as Reference 2.1 Fitting, with Regularly Used Shaft Adopted as Reference Dimension Tolerance of Hole, Regularly Used Fitting 一60 Class of Tolerance Range for Holes +5 +5 +23 +23 +40 +68 +172 UnitOm
Dimension
Reference Class of Tolerance Range for Shafts Reference Class of Tolerance Range for Holes (mm)
Hole Clearance Fit Transition Fit Interference Fit Shaft Clearance Fit Transition Fit Interference Fit More than or Less B10 C9 C10 D8 D9 D10 E7 E8 E9 F6 F7 F8 G6 G7 H6 H7 H8 H9 H10 JS6 JS7 K6 K7 M6 M7 N6 N7 P6 P7 R7 S7 T7 U7 X7
g5 h5 js5 k5 m5 h5 H6 JS6 K6 M6 N6 * P6
一2
一6
一6
一4
H6 f6 g6 h6 js6 k6 m6 n6 * p6 * F6 G6 H6 JS6 K6 M6 N6 P6 * 一 3 +180 +85 +100 +34 +45 +60 +24 +28 +39 +12 +16 +20 +8 +12 +6 0 +10 0 +14 0 +25 0 +40 0 Ú3 Ú5 一6 0 一10 0 一2 一12 一10 一14 一12 一16 一10 一14 一 一18 一20
一4
+60
+2
一20
+6
+14
+14
一28 一30
+6
一24
+20
+60
+2
+20
+14
+6
+20
一8
+140
f6 g6 h6 js6 k6 m6 n6 p6 * r6 * s6 t6 u6 x6 h6 F7 G7 H7 JS7 K7 M7 N7 P7 * R7 S7 T7 U7 X7 +188 +100 +118 +48 +60 +78 +32 +38 +50 +18 +22 +28 +12 +16 +8 +12 +18 +30 +48 +2 +3 一1 0 一5 一4 一9 一8 一11 一15 一19 一24
H7 3 6 Ú4 Ú6 一
e7 f7 h7 js7 h7 E7 F7 H7 +140 +70 +70 +30 +30 +30 +20 +20 +20 +10 +10 +10 +4 +4 0 0 0 0 0 一6 一9 一9 一12 一13 一16 一17 一20 一23 一27 一31 一36
f7 h7 F8 H8 6 10 +208 +116 +138 +62 +76 +98 +40 +47 +61 +22 +28 +35 +14 +20 +9 +15 +22 +36 +58 Ú4.5 Ú7.5 +2 +5 一3 0 一7 一4 一12 一9 一13 一17 一 一22 一28
H8 e8 f8 h8 h8 D8 E8 F8 H8 +150 +80 +80 +40 +40 +40 +25 +25 +25 +13 +13 +13 +5 +5 0 0 0 0 0 一7 一10 一12 一15 一16 一19 一21 一24 一28 一32 一37 一43
一33
d9 e9 D9 E9 H9 10 14 +220 +138 +165 +77 +93 +120 +50 +59 +75 +27 +34 +43 +17 +24 +11 +18 +27 +43 +70 +2 +6 一4 0 一9 一5 一15 一11 一16 一21 一26 一51
d8 e8 h8 D8 E8 H8 +150 +95 +95 +50 +50 +50 +32 +32 +32 +16 +16 +16 +6 +6 0 0 0 0 0 Ú5.5 Ú9 一9 一12 一15 一18 一20 一23 一26 一29 一34 一39 一
H9 14 18 一44 一38
c9 d9 e9 h9 h9 C9 D9 E9 H9 一56
H10 b9 c9 d9 B10 C10 D10 18 24 一33 一46
+6
一7
+2
一4
[Note]*An exception may arise according to the dimensional sectioning scheme. [Note]*An exception may arise according to the dimensional sectioning scheme. +244 +162 +194 +98 +117 +149 +61 +73 +92 +33 +41 +53 +20 +28 +13 0 +21 0 +33 0 +52 0 +84 0 Ú6.5 Ú10.5 一11 一15 一17 一21 0 一11 一28 一18 一14 一20 一27 一 一54 一67
+20
+65
一24
+7
+7
+65
一35
+65
一48
+20
+20
+40
+40
+40
+160 +110 +110
一41
一31
24 30 一33 一40 一56
一54 一61 一77
1.2 Interrelation between Tolerance Ranges-Fitting with Regularly Used Hole Adopted as Reference 2.2 Interrelation between Tolerance Ranges-Fitting with Regularly Used Shaft Adopted as Reference +270 +182 +220 一39 一51
+7
一4
Reference Hole H6 Clearance Fit Transition Fit Interference Fit Clearance Fit H9 H10 Reference Shaft h5 h6 h7 h8 h9 30 40 +170 +120 +120 +119 +142 +180 +75 +89 +112 +41 +50 +64 +25 +34 +16 0 +25 0 +39 0 +62 +100 0 Ú8 Ú12.5 一13 一18 一20 一25 0 一12 一33 一21 一17 一25 一34 一64 一76 一
+3
H7
H8
一8
+25
一45 一61
一37
+80
+280 +192 +230
+80
+25
一50
0
+50
+50
+80
一28
一59
+50
一42
+9
+9
+25
Fitting Clearance Fit Transition Fit Interference Fit Sliding Fit Driving Fit Press Fit Strong Press Fit Shrinkage Fit Loose Fit Light Roll Fit Roll Fit Clearance Fit Clearance Fit Fitting Clearance Fit Transition Fit Interference Fit Clearance Fit Transition Fit Interference Fit Clearance Fit Clearance Fit Clearance Fit 40 50 50 65 +180 +130 +130 +90 +106 +134 +49 +60 +76 +29 +40 +19 +30 +46 +74 +120 +
一55 一76
+310 +214 +260
一72
一85 一106
一60
+190 +140 +140 +146 +174 +220
Class of Tolerance Range for Shafts f6 g5 g6 h5 h6 js5 js6 k5 k6 m5m6 n6 p6 e7 f6 f7 g6 h6 h7 js6 js7 k6 m6 n6 p6 r6 s6 t6 u6 x6 d9 e8 e9 f7 f8 h7 h8 c9 d8 d9 g8 e9 h8 h9 b9 c9 d9 Class of Tolerance Range for Holes H6 JS6 K5 M6 N6 P6 F6 F7 G6 G7 H6 H7 JS6JS7 K6 K7 M6 M7 N6 N7 P6 P7 R7 S7 T7 U7 X7 E7 F7 F8 H7 H8 D8 D9 E8 E9 F8 H8 H9 B10 C9 C10 D8 D9 D10 E8 E9 H8 H9 65 80 +320 +224 +270 +100 +100 +100 +60 +60 +60 +30 +30 +30 +10 +10 0 0 0 0 0 Ú9
一78
+200 +150 +150
一62
一94 一121
80 100 +360 +257 +310 +58 +71 +90 +34 +47 +22 +35 +54 +87 +140 +4 +10 一6 0 一16 一10 一30 一24 一38 一58 一78 一111
一73
+220 +170 +170 +174 +207 +260 +107 +126 +159
一93 一113 一146
+380 +267 +320 +120 +120 +120 +72 +72 +72 +36 +36 +36 +12 +12 0 0 0 0 0 Ú11 Ú17.5 一18 一25 一28 一35 一38 一45 一52 一59 一41 一66 一91 一131 一
100 120
50 200 +240 +180 +180 一76 一101 一126 一166
H10 120 140 +420 +300 +360 一48 一77 一107
H9 +260 +200 +200 +208 +245 +305 +125 +148 +185 +68 +83 +106 +39 +54 +25 +40 +63 +100 +160 +4 +12 一8 0 一20 一12 一36 一28 一88 一117 一147
一50
一85 一119
+440 +310 +370
H6 H7 H8 140 160 +280 +210 +210 +145 +145 +145 +85 +85 +85 +43 +43 +43 +14 +14 0 0 0 0 0 Ú12.5 Ú20 一21 一28 一33 一40 一45 一52 一61 一68 一90 一125 一159 一 一
0 150 160 180 +470 +330 +390 一53 一93 一131
Dimension Tolerance -50 Dimension Tolerance 100 180 200 +525 +355 +425 +242 +285 +355 +146 +172 +215 +79 +96 +122 +44 +61 +29 0 +46 0 +72 +115 +185 0 Ú14.5 Ú23 一24 +13 一37 一46 0 一22 一14 一41 一33 一106 一151 一 一 一
一93 一133 一171
+310 +230 +230
一60 一105
+340 +240 +240
一8
+5
+565 +375 +445
一63 一113
200 225
一33
0
0
+50 +15
一79 一109 一159
+170 +170 +170 +100 +100 +100
+50
一60
+380 +260 +260
+15
一51
一70
+50
+605 +395 +465
一67 一123
+690 +430 +510
一74
-100 50 225 250 +420 +280 +280 一113 一169
250 280
+5
一9
(Om) (Om) +480 +300 +300 +271 +320 +400 +162 +191 +240 +88 +108 +137 +49 +69 +32 0 +52 0 +81 +130 +210 0 Ú16 Ú26 一27 +16 一41 一52 0 一25 一14 一47 一36 一126 一 一 一 一
0
+56
一79
+56 +17
+17
一57
一88
+190 +190 +190 +110 +110 +110
+56
0
一36
一78
+750 +460 +540
一66
280 315
+540 +330 +330 一130
一87
-150 0 h5 h6 h6 h7 315 355 +830 +500 +590 +98 +119 +151 +54 +75 +36 +57 +89 +140 +230 Ú18 Ú28.5 +7 +17 一10 0 一26 一16 一51 一41 一144
+600 +360 +360 +299 +350 +440 +182 +214 +265
h8
一93
h9 355 400 +910 +540 +630 +210 +210 +210 +125 +125 +125 +62 +62 +62 +18 +18 0 0 0 0 0 一29 一40 一46 一57 一62 一73 一87 一98 一150 一 一 一 一
+680 +400 +400
一103
-200 -50 400 450 +1010 +595 +690 +230 +230 +230 +135 +135 +135 +68 +68 +68 +20 +83 +40 0 +63 0 +97 +155 +250 0 Ú20 Ú31.5 一32 +18 一10 一63 0 一27 一17 一55 一45 一166 一 一 一 一
+8
+760 +440 +440 +327 +385 +480 +198 +232 +290 +108 +131 +165 +60
一45
0
一50
+20
0
一80
一67
1569 450 500 +1090 +635 +730 一95 一108 一109 1570
+840 +480 +480
一172
*Values in cases where the measurement exceeds the reference dimension 18 mm, but does not exceed 30 mm. *Values in cases where the measurement exceeds the reference dimension 18 mm, but does not exceed 30 mm. Reference In each column, the upper value is the upper dimensional tolerance, and the lower figure is the lower one. [Note]*:n5 is the previous version of JIS. Presented here because many MISUMI products conform
to this version.
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KJTIV JOEC