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Tolerances
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MOLDED RUBBER TOLERANCE:

Rubber Manufacturers Association A1 Tolerance (High Precision)

Rubber Manufacturers Association A2 Tolerance (Precision)

Rubber Manufacturers Association A3 Tolerance (Commercial)

Rubber Manufacturers Association A4 Tolerance (Non Critical)

A1 (mm)

 

 

A1 (inch)

 

 

 Size°mm¸

Tolerance

 

 Size°inch¸

Tolerance

 

 Above

 Incl

Fixed

closure

 Above

 Incl

Fixed

closure

      - 

     10

▒0.10

▒0.13

      - 

  0.400

▒0.004

▒0.005

     10

     16

▒0.13

▒0.16

  0.400

  0.630

▒0.005

▒0.006

     16

     25

▒0.16

▒0.20

  0.630

  1.000

▒0.006

▒0.008

     25

     40

▒0.20

▒0.25

  1.000

  1.600

▒0.008

▒0.010

     40

     63

▒0.25

▒0.32

  1.600

  2.500

▒0.010

▒0.013

     63

    100

▒0.32

▒0.40

  2.500

  4.000

▒0.013

▒0.016

    100

 >160

▒0.40

▒0.50

  4.000

  6.300

▒0.016

▒0.020

 

 

 

 

 

 

 

 

A2 (mm)

 

 

A2 (inch)

 

 

 Size°mm¸

Tolerance

 

 Size°inch¸

Tolerance

 

 Above

 Incl

Fixed

closure

 Above

 Incl

Fixed

closure

      - 

     10

▒0.16

▒0.20

      - 

  0.100

▒0.006

▒0.008

     10

     16

▒0.20

▒0.25

  0.100

  0.630

▒0.008

▒0.010

     16

     25

▒0.25

▒0.32

  0.630

  1.000

▒0.010

▒0.013

     25

     40

▒0.32

▒0.40

  1.000

  1.600

▒0.013

▒0.016

     40

     63

▒0.40

▒0.50

  1.600

  2.500

▒0.016

▒0.020

     63

    100

▒0.50

▒0.63

  2.500

  4.000

▒0.020

▒0.025

    100

    160

▒0.63

▒0.80

  4.000

  6.300

▒0.025

▒0.032

    160

 >160

trim sizeÎ0.004

trim sizeÎ0.005

  6.300

 >6.300

trim sizeÎ0.004

trim sizeÎ0.005

 

 

 

 

 

 

 

 

A3 (mm)

 

 

A3 (inch)

 

 

 Size°mm¸

Tolerance

 

 Size°inch¸

Tolerance

 

 Above

 Incl

Fixed

closure

 Above

 Incl

Fixed

closure

      - 

     10

▒0.20

▒0.32

      - 

  0.400

▒0.008

▒0.013

     10

     16

▒0.25

▒0.40

  0.400

  0.630

▒0.010

▒0.016

     16

     25

▒0.32

▒0.50

  0.630

  1.000

▒0.013

▒0.020

     25

     40

▒0.40

▒0.63

  1.000

  1.600

▒0.016

▒0.025

     40

     63

▒0.50

▒0.80

  1.600

  2.500

▒0.020

▒0.032

     63

    100

▒0.63

▒1.00

  2.500

  4.000

▒0.025

▒0.040

    100

    160

▒0.80

▒1.25

  4.000

  6.300

▒0.032

▒0.050

    160

 >160

trim sizeÎ0.005

trim sizeÎ0.008

  6.300

 >6.300

trim sizeÎ0.005

trim sizeÎ0.008

 

 

 

 

 

 

 

 

A4 (mm)

 

 

A4 (inch)

 

 

 Size°mm¸

Tolerance

 

 Size°inch¸

Tolerance

 

 Above

 Incl

Fixed

closure

 Above

 Incl

Fixed

closure

      - 

     10

▒0.32

▒0.82

      - 

  0.400

▒0.013

▒0.032

     10

     16

▒0.40

▒0.90

  0.400

  0.630

▒0.016

▒0.036

     16

     25

▒0.50

▒1.00

  0.630

  1.000

▒0.020

▒0.040

     25

     40

▒0.63

▒1.12

  1.000

  1.600

▒0.025

▒0.045

     40

     63

▒0.80

▒1.25

  1.600

  2.500

▒0.032

▒0.050

     63

    100

▒1.00

▒1.40

  2.500

  4.000

▒0.040

▒0.056

    100

    160

▒1.25

▒1.60

  4.000

  6.300

▒0.050

▒0.063

    160

 >160

trim sizeÎ0.008

trim sizeÎ0.010

  6.300

 >6.300

trim sizeÎ0.008

trim sizeÎ0.010

EXTRUDED RUBBER TOLERANCE:

agencies

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