ISO tolerances
ISO tolerances for bores
The fit, ➤ Figure and tables, is determined by the ISO tolerances for housings in accordance with ISO 286-2 in conjunction with the tolerances for the outside diameter of the bearings.
ISO tolerances for bores






Limit deviations for bores
Nominal housing bore diameter in mm | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
over incl. | – 3 | 3 6 | 6 10 | 10 18 | 18 30 | 30 50 | 50 80 | 80 120 | 120 180 | 180 250 |
Housing deviation in μm | ||||||||||
G7 | +12 +2 | +16 +4 | +20 +5 | +24 +6 | +28 +7 | +34 +9 | +40 +10 | +47 +12 | +54 +14 | +61 +15 |
H6 | +6 0 | +8 0 | +9 0 | +11 0 | +13 0 | +16 0 | +19 0 | +22 0 | +25 0 | +29 0 |
H7 | +10 0 | +12 0 | +15 0 | +18 0 | +21 0 | +25 0 | +30 0 | +35 0 | +40 0 | +46 0 |
H8 | +14 0 | +18 0 | +22 0 | +27 0 | +33 0 | +39 0 | +46 0 | +54 0 | +63 0 | +72 0 |
H9 | +25 0 | +30 0 | +36 0 | +43 0 | +52 0 | +62 0 | +74 0 | +87 0 | +100 0 | +115 0 |
J6 | +2 –4 | +5 –3 | +5 –4 | +6 –5 | +8 –5 | +10 –6 | +13 –6 | +16 –6 | +18 –7 | +22 –7 |
J7 | +4 –6 | +6 –6 | +8 –7 | +10 –8 | +12 –9 | +14 –11 | +18 –12 | +22 –13 | +26 –14 | +30 –16 |
K7 | 0 –10 | +3 –9 | +5 –10 | +6 –12 | +6 –15 | +7 –18 | +9 –21 | +10 –25 | +12 –28 | +13 –33 |
K8 | 0 –14 | +5 –13 | +6 –16 | +8 –19 | +10 –23 | +12 –27 | +14 –32 | +16 –38 | +20 –43 | +22 –50 |
M7 | –2 –12 | 0 –12 | 0 –15 | 0 –18 | 0 –21 | 0 –25 | 0 –30 | 0 –35 | 0 –40 | 0 –46 |
N7 | –4 –14 | –4 –16 | –4 –19 | –5 –23 | –7 –28 | –8 –33 | –9 –39 | –10 –45 | –12 –52 | –14 –60 |
Limit deviations for bores
Nominal bore diameter in mm | ||||||||
---|---|---|---|---|---|---|---|---|
over incl. | 250 315 | 315 400 | 400 500 | 500 630 | 630 800 | 800 1 000 | 1 000 1 250 | 1 250 1 600 |
Bore deviation in μm | ||||||||
G7 | +69 +17 | +75 +18 | +83 +20 | +92 +22 | +104 +24 | +116 +26 | +133 +28 | +155 +30 |
H6 | +32 0 | +36 0 | +40 0 | +44 0 | +50 0 | +56 0 | +66 0 | +78 0 |
H7 | +52 0 | +57 0 | +63 0 | +70 0 | +80 0 | +90 0 | +105 0 | +125 0 |
H8 | +81 0 | +89 0 | +97 0 | +110 0 | +125 0 | +140 0 | +165 0 | +195 0 |
H9 | +130 0 | +140 0 | +155 0 | +175 0 | +200 0 | +230 0 | +260 0 | +310 0 |
J6 | +25 –7 | +29 –7 | +33 –7 | ‒ | ‒ | ‒ | ‒ | ‒ |
J7 | +36 –16 | +39 –18 | +43 –20 | ‒ | ‒ | ‒ | ‒ | ‒ |
K7 | +16 –36 | +17 –40 | +18 –45 | 0 –70 | 0 –80 | 0 –90 | 0 –105 | 0 –125 |
K8 | +25 –56 | +28 –61 | +29 –68 | 0 –110 | 0 –125 | 0 –140 | 0 –165 | 0 –195 |
M7 | 0 –52 | 0 –57 | 0 –63 | –26 –96 | –30 –110 | –34 –124 | –40 –145 | –48 –173 |
N7 | –14 –66 | –16 –73 | –17 –80 | –44 –114 | –50 –130 | –56 –146 | –66 –171 | –78 –203 |
ISO tolerances for shafts
The fit, ➤ Figure and tables, is determined by the ISO tolerances for the shaft in accordance with ISO 286-2 in conjunction with the tolerances for the bore diameter of the bearings.
ISO tolerances for shafts






Limit deviations for shafts
Nominal bore diameter in mm | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
over incl. | – 3 | 3 6 | 6 10 | 10 18 | 18 30 | 30 40 | 40 50 | 50 65 | 65 80 | 80 100 | 100 120 |
Shaft deviation in μm | |||||||||||
e7 | –14 –24 | –20 –32 | –25 –40 | –32 –50 | –40 –61 | –50 –75 | –60 –90 | –72 –107 | |||
f7 | –6 –16 | –10 –22 | –13 –28 | –16 –34 | –20 –41 | –25 –50 | –30 –60 | –36 –71 | |||
g6 | –2 –8 | –4 –12 | –5 –14 | –6 –17 | –7 –20 | –9 –25 | –10 –29 | –12 –34 | |||
h6 | 0 –6 | 0 –8 | 0 –9 | 0 –11 | 0 –13 | 0 –16 | 0 –19 | 0 –22 | |||
h7 | 0 –10 | 0 –12 | 0 –15 | 0 –18 | 0 –21 | 0 –25 | 0 –30 | 0 –35 | |||
h8 | 0 –14 | 0 –18 | 0 –22 | 0 –27 | 0 –33 | 0 –39 | 0 –46 | 0 –54 | |||
j6 | +4 –2 | +6 –2 | +7 –2 | +8 –3 | +9 –4 | +11 –5 | +12 –7 | +13 –9 | |||
j7 | +6 –4 | +8 –4 | +10 –5 | +12 –6 | +13 –8 | +15 –10 | +18 –12 | +20 –15 | |||
k6 | +6 0 | +9 +1 | +10 +1 | +12 +1 | +15 +2 | +18 +2 | +21 +2 | +25 +3 | |||
m6 | +8 +2 | +12 +4 | +15 +6 | +18 +7 | +21 +8 | +25 +9 | +30 +11 | +35 +13 | |||
n6 | +10 +4 | +16 +8 | +19 +10 | +23 +12 | +28 +15 | +33 +17 | +39 +20 | +45 +23 | |||
p6 | +12 +6 | +20 +12 | +24 +15 | +29 +18 | +35 +22 | +42 +26 | +51 +32 | +59 +37 | |||
r6 | +16 +10 | +23 +15 | +28 +19 | +34 +23 | +41 +28 | +50 +34 | +60 +41 | +62 +43 | +73 +51 | +76 +54 |
Limit deviations for shafts
Nominal bore diameter in mm | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
over incl. | 120 140 | 140 160 | 160 180 | 180 200 | 200 225 | 225 250 | 250 280 | 280 315 | 315 355 | 355 400 |
Shaft deviation in μm | ||||||||||
e7 | –85 –125 | –100 –146 | –110 –162 | –125 –182 | ||||||
f7 | –43 –83 | –50 –96 | –56 –108 | –62 –119 | ||||||
g6 | –14 –39 | –15 –44 | –17 –49 | –18 –54 | ||||||
h6 | 0 –25 | 0 –29 | 0 –32 | 0 –36 | ||||||
h7 | 0 –40 | 0 –46 | 0 –52 | 0 –57 | ||||||
h8 | 0 –63 | 0 –72 | 0 –81 | 0 –89 | ||||||
j6 | +14 –11 | +16 –13 | +16 –16 | +18 –18 | ||||||
j7 | +22 –18 | +25 –21 | +26 –26 | +29 –28 | ||||||
k6 | +28 +3 | +33 +4 | +36 +4 | +40 +4 | ||||||
m6 | +40 +15 | +46 +17 | +52 +20 | +57 +21 | ||||||
n6 | +52 +27 | +60 +31 | +66 +34 | +73 +37 | ||||||
p6 | +68 +43 | +79 +50 | +88 +56 | +98 +62 | ||||||
r6 | +88 +63 | +90 +65 | +93 +68 | +106 +77 | +109 +80 | +113 +84 | +126 +94 | +130 +98 | +144 +108 | +150 +114 |
Limit deviations for shafts
Nominal bore diameter in mm | ||||||||
---|---|---|---|---|---|---|---|---|
over incl. | 400 450 | 450 500 | 500 560 | 560 630 | 630 710 | 710 800 | 800 900 | 900 1 000 |
Shaft deviation in μm | ||||||||
e7 | –135 –198 | –145 –215 | –160 –240 | –170 –260 | ||||
f7 | –68 –131 | –76 –146 | –80 –160 | –86 –176 | ||||
g6 | –20 –60 | –22 –66 | –24 –74 | –26 –82 | ||||
h6 | 0 –40 | 0 –44 | 0 –50 | 0 –56 | ||||
h7 | 0 –63 | 0 –70 | 0 –80 | 0 –90 | ||||
h8 | 0 –97 | 0 –110 | 0 –125 | 0 –140 | ||||
j6 | +20 –20 | – | – | – | ||||
j7 | +31 –32 | – | – | – | ||||
k6 | +45 +5 | +44 0 | +50 0 | +56 0 | ||||
m6 | +63 +23 | +70 +26 | +80 +30 | +90 +34 | ||||
n6 | +80 +40 | +88 +44 | +100 +50 | +112 +56 | ||||
p6 | +108 +68 | +122 +78 | +138 +88 | +156 +100 | ||||
r6 | +166 +126 | +172 +132 | +194 +150 | +199 +155 | +225 +175 | +235 +185 | +266 +210 | +276 +220 |