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Below is a reference on bore and shaft tolerances corresponding to a given bore or shaft diameter:

 

 

 

Bore Tolerances

Shaft Tolerances

 

 

 

 

 

Clearance Fit

Transition Fit

Interference Fit

Diameter range

H7

H8

f7

g6

k6

n6

p6

s6

 

 

 

 

 

 

 

 

 

in mm

low

high

low

high

high

low

high

low

high

low

high

low

high

low

high

Low

over 0

to 3

0

+0.010

0

+0.014

-0.005

-0.016

-0.002

-0.008

+0.006

0

+0.010

+0.004

+0.012

+0.006

+0.020

+0.014

over 3

to 6

0

+0.012

0

+0.019

-0.010

-0.022

-0.004

-0.012

+0.009

+0.001

+0.016

+0.008

+0.020

+0.012

+0.027

+0.019

over 6

to 10

0

+0.015

0

+0.022

-0.013

-0.028

-0.005

-0.014

+0.010

+0.001

+0.019

+0.010

+0.024

+0.015

+0.032

+0.023

over 10

to 18

0

+0.018

0

+0.027

-0.016

-0.034

-0.006

-0.017

+0.012

+0.001

+0.023

+0.012

+0.029

+0.018

+0.039

+0.028

over 18

to 30

0

+0.021

0

+0.033

-0.020

-0.041

-0.007

-0.020

+0.015

+0.002

+0.028

+0.015

+0.035

+0.022

+0.048

+0.035

over 30

to 50

0

+0.025

0

+0.039

-0.025

-0.050

-0.009

-0.025

+0.018

+0.002

+0.033

+0.017

+0.042

+0.026

+0.059

+0.043

over 50

to 80

0

+0.030

0

+0.046

-0.030

-0.060

-0.010

-0.029

+0.021

+0.002

+0.039

+0.020

+0.051

+0.032

+0.072

+0.053

over 80

to 120

0

+0.035

0

+0.054

-0.036

-0.071

-0.012

-0.034

+0.025

+0.003

+0.045

+0.023

+0.059

+0.037

+0.093

+0.071

 

Note

Motor Technology will not accept any liability for the accuracy of the data supplied. This information is meant as a guideline only.