Tolerance

 

Diameter Tolerance

D or d  mm Permissible deviation in mm
D mm d mm Concentricity
over 3 to 6 0 / -0.12  +0.12 / 0 0.15
over 6 to 10 0 / -0.15  +0.15 / 0 0.18
over 10 to 18 0 / -0.18  +0.18 / 0 0.22
over 18 to 30 0 / -0.21  +0.21 / 0 0.26
over 30 to 50 0 / -0.25  +0.25 / 0 0.32
over 50 to 80 0 / -0.30  +0.30 / 0 0.60
over 80 to 120 0 / -0.35  +0.35 / 0 0.70
over 120 to 180 0 / -0.40  +0.40 / 0 0.80
over 180 to 250 0 / -0.46  +0.46 / 0 0.92
over 250 to 315 0 / -0.52  +0.52 / 0 1.04
over 315 to 400 0 / -0.57  +0.57 / 0 1.14
over 400 to 500 0 / -0.63  +0.63 / 0 1.26

Thickness Tolerance

t or t’ mm Tolerance for t mm
Group 1 0.2 to 0.6  +0.02 / -0.06
> 0.6 to < 1.25 +0.03 / -0.09
Group 2 1.25 to 3.8 +0.04 / -0.12
> 3.8 to 6.0 +0.05 / -0.15
Group 3 > 6.0 to 16.0  +0.10 / -0.10

Overall Height Tolerance

t  mm Tolerance for Ho
Group 1 < 1.25 +0.10 / -0.05
Group 2 1.25 to 2.0 +0.15 / -0.08
> 2.0 to 3.0 +0.20 / -0.10
> 3.0 to 6.0 +0.30 / -0.15
Group 3 > 6.0 to 16.0 +0.30 / -0.30

To ensure the specified spring forces, DIN 2093 allows the overall height tolerance to be slightly exceeded.

Force Tolerance

t mm Tolerance for F at the test length lp=l0-0.75h0
Group 1 < 1.25  +25% / -7.5%
Group 2 1.25 to 3.0  +15% / -7.5%
> 3.0 to 6.0  +10% / -5.0%
Group 3 > 6.0 to 16.0  +5.0% / -5.0%