Specifications
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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 | 0.6 |
| over 80 to 120 | 0 / -0.35 | +0.35 / 0 | 0.7 |
| over 120 to 180 | 0 / -0.40 | +0.40 / 0 | 0.8 |
| 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 | -0.333333333 | ||
| Group 2 | 1.25 to 3.8 | -0.333333333 | |
| > 3.8 to 6.0 | -0.333333333 | ||
| Group 3 | > 6.0 to 16.0 | +0.10 / -0.10 | |
| Overall Height Tolerance | |||
| t mm | Tolerance for Ho | ||
| Group 1 | < 1.25 | -2 | |
| Group 2 | 1.25 to 2.0 | -1.875 | |
| > 2.0 to 3.0 | -2 | ||
| > 3.0 to 6.0 | -2 | ||
| Group 3 | > 6.0 to 16.0 | -1 | |
| 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% | |