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  3. EN 16983 (DIN 2093) & Belleville Disc Springs
  4. FAQ-72

What is the outside diameter tolerance of Disc Springs according to DIN 2093?

Tolerances for Disc Springs according to DIN 2093

  • Outside diameter: zone of tolerance h12
  • Inside diameter: zone of tolerance H12

For the Coax Position

  • Outside diameter <=50mm: 2 . IT11
  • Outside diameter   >50mm: 2 . IT12

 Da/Di


  [mm]

Tolerance
DA=Outside Diameter

[mm]

Tolerance
Di=Inside Diameter

[mm]

Coax
>3 bis 6 0/-0,12 +0,12/0 0,15
>6 bis 10 0/-0,15 +0,15/0 0,18
>10 bis 18 0/-0,18 +0,18/0 0,22
>18 bis 30 0/-0,21 +0,21/0 0,26
>30 bis 50 0/-0,25 +0,25/0 0,32
>50 bis 80 0/-0,30 +0,30/0 0,60
>80 bis 120 0/-0,35 +0,35/0 0,70
>120 bis 180 0/-0,40 +0,40/0 0,80
>180 bis 250 0/-0,46 +0,46/0 0,92
>250 bis 315 0/-0,52 +0,52/0 1,04
>315 bis 400 0/-0,57 +0,57/0 1,14
>400 bis 500 0/-0,63 +0,63/0 1,26