ISO Limits And Fits Table - Simply Bearings Ltd

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1. ISO Limits

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Bearings Cycling / Biking Housings & Inserts Loose Balls & Rollers Taper Roller Bearings Belts Seals Lubricants Engineering Parts Engineers Adhesives Tools / Bearing Fitting Hydraulic Parts & Tools Garden Parts & Accessories Clearance Bargains Consumables

Modern Warehouse

ISO Limits and Fits

1. Shaft tolerances
2. Hole tolerances
3. Clearance fit guide & descriptions

ISO Shaft Tolerances

ISO Tolerances for Shafts (ISO 286-2)
Nominal Shaft Sizes (mm)
over	3	6	10	18	30	40	50	65	80	100	120	140	160	180	200	225	250	280	315	355
inc.	6	10	18	30	40	50	65	80	100	120	140	160	180	200	225	250	280	315	355	400
micrometres
a12	-270-390	-280-430	-290-470	-300-510	-310-560	-320-570	-340-640	-360-660	-380-730	-410-760	-460-860	-520-920	-580-980	-660-1120	-740-1200	-820-1280	-920-1440	-1050-1570	-1200-1770	-1350-1920
d6	-30-38	-40-49	-50-61	-65-78	-80-96		-100-119		-120-142		-145-170			-170-199			-190-222		-210-246
e6	-20-28	-25-34	-32-43	-40-53	-50-66		-60-79		-72-94		-85-110			-100-129			-110-142		-125-161
e13	-20-200	-25-245	-32-302	-40-370	-50-440		-60-520		-72-612		-85-715			-100-820			-110-920		-125-1015
f5	-10-15	-13-19	-16-24	-20-29	-25-36		-30-43		-36-51		-43-61			-50-70			-56-79		-62-87
f6	-10-18	-13-22	-16-27	-20-33	-25-41		-30-49		-36-58		-43-48			-50-79			-56-88		-62-98
f7	-10-22	-13-28	-16-34	-20-41	-25-50		-30-60		-36-71		-43-83			-50-96			-56-108		-62-119
g5	-4-9	-5-11	-6-14	-7-16	-9-20		-10-23		-12-27		-14-32			-15-35			-17-40		-18-43
g6	-4-12	-5-14	-6-17	-7-20	-9-25		-10-29		-12-34		-14-39			-15-44			-17-49		-18-54
g7	-4-16	-5-20	-6-24	-7-28	-9-34		-10-40		-12-47		-14-54			-15-61			-17-69		-18-75
h4	-0-4	-0-4	-0-5	-0-6	-0-7		-0-8		-0-10		-0-12			-0-14			-0-16		-0-18
h5	-0-5	-0-6	-0-8	-0-9	-0-11		-0-13		-0-15		-0-18			-0-20			-0-23		-0-25
h6	-0-8	-0-9	-0-11	-0-13	-0-16		-0-19		-0-22		-0-25			-0-29			-0-32		-0-36
h7	-0-12	-0-15	-0-18	-0-21	-0-25		-0-30		-0-35		-0-40			-0-46			-0-52		-0-57
h8	-0-18	-0-22	-0-27	-0-33	-0-39		-0-46		-0-54		-0-63			-0-72			-0-81		-0-89
h9	-0-30	-0-36	-0-43	-0-52	-0-62		-0-74		-0-87		-0-100			-0-115			-0-130		-0-140
h10	-0-48	-0-58	-0-70	-0-84	-0-100		-0-120		-0-140		-0-160			-0-185			-0-210		-0-230
h11	-0-75	-0-90	-0-110	-0-130	-0-160		-0-190		-0-220		-0-250			-0-290			-0-320		-0-360
h12	-0-120	-0-150	-0-180	-0-210	-0-250		-0-300		-0-350		-0-400			-0-460			-0-520		-0-570
j5	+3-2	+4-2	+5-3	+5-4	+6-5		+6-7		+6-9		+7-11			+7-13			+7-16		+7-18
j6	+6-2	+7-2	+8-3	+9-4	+11-5		+12-7		+13-9		+14-11			+16-13			+16-16		+18-18
j7	+8-4	+10-5	+12-6	+13-8	+15-10		+18-12		+20-15		+22-18			+25-21			+26-26		+29-28
js5	+2.5-2.5	+3-3	+4-4	+4.5-4.5	+5.5-5.5		+6.5-6.5		+7.5-7.5		+9-9			+10-10			+11.5-11.5		+12.5-12.5
js6	+4-4	+4.5-4.5	+5.5-5.5	+6.5-6.5	+8-8		+9.5-9.5		+11-11		+12.5-12.5			+14.5-14.5			+16-16		+18-18
js7	+6-6	+7.5-7.5	+9-9	+10.5-10.5	+12.5-12.5		+15-15		+17.5-17.5		+20-20			+23-23			+26-26		+28.5-28.5
k5	+6+1	+7+1	+9+1	+11+2	+13+2		+15+2		+18+3		+21+3			+24+4			+27+4		+29+4
k6	+9+1	+10+1	+12+1	+15+2	+18+2		+21+2		+25+3		+28+3			+33+4			+36+4		+40+4
k7	+13+1	+16+1	+19+1	+23+2	+27+2		+32+2		+38+3		+43+3			+50+4			+56+4		+61+4
m5	+9+4	+12+6	+15+7	+17+8	+20+9		+24+11		+28+13		+33+15			+37+17			+43+20		+46+21
m6	+12+4	+15+6	+18+7	+21+8	+25+9		+30+11		+35+13		+40+15			+46+17			+52+20		+57+21
m7	+16+4	+21+6	+25+7	+29+8	+34+9		+41+11		+48+13		+55+15			+63+17			+72+20		+78+21
n5	+13+8	+16+10	+20+12	+24+15	+28+17		+33+20		+38+23		+45+27			+51+31			+57+34		+62+37
n6	+16+8	+19+10	+23+12	+28+15	+33+17		+39+20		+45+23		+52+27			+60+31			+66+34		+73+37
n7	+20+8	+25+10	+30+12	+36+15	+42+17		+50+20		+58+23		+67+27			+77+31			+86+34		+94+37
p5	+17+12	+21+15	+26+18	+31+22	+37+26		+45+32		+52+37		+61+43			+70+50			+79+56		+87+62
p6	+20+12	+24+15	+29+18	+35+22	+42+26		+51+32		+59+37		+68+43			+79+50			+88+56		+98+62
r6	+23+15	+28+19	+34+23	+41+28	+50+34		+60+41	+62+43	+73+51	+76+54	+88+63	+90+65	+93+68	+106+77	+109+80	+113+84	+126+94	+130+98	+144+108	+150+114

ISO Hole Tolerances

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ISO Tolerances for Holes (ISO 286-2)
Nominal Shaft Sizes (mm)
over	3	6	10	18	30	40	50	65	80	100	120	140	160	180	200	225	250	280	315	355
inc.	6	10	18	30	40	50	65	80	100	120	140	160	180	200	225	250	280	315	355	400
micrometres
E6	+28+20	+34+25	+43+32	+53+40	+66+50		+79+60		+94+72		+110+85			+129+100			+142+110		+161+125
E7	+32+20	+40+25	+50+32	+61+40	+75+50		+90+60		+107+72		+125+85			+146+100			+162+110		+185+125
E11	+95+20	+115+25	+142+32	+170+40	+210+50		+250+60		+292+72		+335+85			+390+100			+430+110		+485+125
E12	+140+20	+175+25	+212+32	+250+40	+300+50		+360+60		+422+72		+485+85			+560+100			+630+110		+695+125
E13	+200+20	+245+25	+302+32	+370+40	+440+50		+520+60		+612+72		+715+85			+820+100			+920+110		+1015+125
F6	+18+10	+22+13	+27+16	+33+20	+41+25		+49+30		+58+36		+68+43			+79+50			+88+56		+98+62
F7	+22+10	+28+13	+34+16	+41+20	+50+25		+60+30		+71+36		+83+43			+96+50			+108+56		+119+62
F8	+28+10	+35+13	+43+16	+53+20	+64+25		+76+30		+90+36		+106+43			+122+50			+137+56		+151+62
G6	+12+4	+14+5	+17+6	+20+7	+25+9		+29+10		+34+12		+39+14			+44+15			+49+17		+54+18
G7	+16+4	+20+5	+24+6	+28+7	+34+9		+40+10		+47+12		+54+14			+61+15			+69+17		+75+18
G8	+22+4	+27+5	+33+6	+40+7	+48+9		+56+10		+66+12		+77+14			+87+15			+98+17		+107+18
H6	+80	+90	+110	+130	+160		+190		+220		+250			+290			+320		+360
H7	+120	+150	+180	+210	+250		+300		+350		+400			+460			+520		+570
H8	+180	+220	+270	+330	+390		+460		+540		+630			+720			+810		+890
H9	+300	+360	+430	+520	+620		+740		+870		+1000			+1150			+1300		+1400
H10	+480	+580	+700	+840	+1000		+1200		+1400		+1600			+1850			+2100		+2300
H11	+750	+900	+1100	+1300	+1600		+1900		+2200		+2500			+2900			+3200		+3600
J6	+5-3	+5-4	+6-5	+8-5	+10-6		+13-6		+16-6		+18-7			+22-7			+25-7		+29-7
J7	+6-6	+8-7	+10-8	+12-9	+14-11		+18-12		+22-13		+26-14			+30-16			+36-16		+39-18
J8	+10-8	+12-10	+15-12	+20-13	+24-15		+28-18		+34-20		+41-22			+47-25			+55-26		+60-29
JS6	+4-4	+4.5-4.5	+5.5-5.5	+6.5-6.5	+8-8		+9.5-9.5		+11-11		+12.5-12.5			+14.5-14.5			+16-16		+18-18
JS7	+6-6	+7.5-7.5	+9-9	+10.5-10.5	+12.5-12.5		+15-15		+17.5-17.5		+20-20			+23-23			+26-26		+28.5-28.5
JS8	+9-9	+11-11	+13.5-13.5	+16.5-16.5	+19.5-19.5		+23-23		+27-27		+31.5-31.5			+36-36			+40.5-40.5		+44.5-44.5
K6	+2-6	+2-6	+2-9	+2-11	+3-13		+4-15		+4-18		+4-21			+5-24			+5-27		+7-29
K7	+3-9	+5-10	+6-12	+6-15	+7-18		+9-21		+10-25		+12-28			+13-33			+16-36		+17-40
K8	+5-13	+6-16	+8-19	+10-23	+12-27		+14-32		+16-38		+20-43			+22-50			+25-56		+28-61
M6	-1-9	-3-12	-4-15	-4-17	-4-20		-5-24		-6-28		-8-33			-8-37			-9-41		-10-46
M7	0-12	0-15	0-18	0-21	0-25		0-30		0-35		0-40			0-46			0-52		0-57
M8	+2-16	+1-21	+2-25	+4-29	+5-34		+5-41		+6-48		+8-55			+9-63			+9-72		+11-78
N6	-5-13	-7-16	-9-20	-11-24	-12-28		-14-33		-16-38		-20-45			-22-51			-25-57		-26-62
N7	-4-16	-4-19	-5-23	-7-28	-8-33		-9-39		-10-45		-12-52			-14-60			-14-66		-16-73
N8	-2-20	-3-25	-3-30	-3-36	-3-42		-4-50		-4-58		-4-67			-5-77			-5-86		-5-94
P6	-9-17	-12-21	-15-26	-18-31	-21-37		-26-45		-30-52		-36-61			-41-70			-47-79		-51-87
P7	-8-20	-9-24	-11-29	-14-35	-17-42		-21-51		-24-59		-28-68			-33-79			-36-88		-41-98
P8	-12-30	-15-37	-18-45	-22-55	-26-65		-32-78		-37-91		-43-106			-50-122			-56-137		-62-151
R6	-12-20	-16-25	-20-31	-24-37	-29-45		-35-54	-37-56	-44-66	-47-69	-56-81	-58-83	-61-86	-68-97	-71-100	-75-104	-85-117	-89-121	-97-133	-103-139
R7	-11-23	-13-28	-16-34	-20-41	-25-50		-30-60	-32-62	-38-73	-41-76	-48-88	-50-90	-53-93	-60-106	-63-109	-67-113	-74-126	-78-130	-87-144	-93-150

Clearance Descriptions

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Description	Hole Tol.	Shaft tol.
Loose fit	H11	c11
Free running	H9	d9
Easy running	H8	f8
Sliding fit	H7	g6
Close clearance	H8	f7
Location clearance	H7	h6
Slight interference	H7	k6
Transition	H7	n6
Press fit	H7	p6
Medium fit	H7	s6
Force fit	H7	u6

Errors and Omissions Excluded

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