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
ES = upper deviation · EI = lower deviation · IT = fundamental tolerance · (H = fundamental deviation)
 Zero line ·
 Housing ·
 Clearance fit ·
 Transition fit ·
 Interference fit
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
es = upper limit deviation · ei = lower limit deviation · IT = fundamental tolerance · (H = fundamental deviation)
 Zero line ·
 Shaft ·
 Clearance fit ·
 Transition fit ·
 Interference fit
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

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