| Nominal Size (MM) | D1 Tolerance (General Dimensions) | D2 Tolerance (Some Functional Dimensions) |
|---|---|---|
| 0 to 6 | ±0.15 | ±0.12 |
| 6 to 10 | ±0.18 | ±0.14 |
| 10 to 18 | ±0.22 | ±0.17 |
| 18 to 30 | ±0.26 | ±0.20 |
| 30 to 50 | ±0.40 | ±0.31 |
| 50 to 80 | ±0.45 | ±0.37 |
| 80 to 120 | ±0.55 | ±0.44 |
| 120 to 180 | ±0.8 | ±0.65 |
| 180 to 250 | ±1.20 | ±0.95 |
| 250 to 315 | ±1.30 | ±1.10 |
| 315 to 400 | ±1.80 | ±1.40 |
| Precision Class | Length of the Tolerated Element | ||
| 0 to 25 mm | 25 to 50 mm | up to 50 mm | |
| Allowed Difference | |||
| D1 | 0.15 mm | 0.25 mm | 0.6% |
| D2 | 0.10 mm | 0.20 mm | 0.4% |
| Precision Class | Nominal Dimensions | |||
|---|---|---|---|---|
| to 30 mm | 30 to 100 mm | 100 to 200 mm | up to 200 mm | |
| D1 | Allowed Deviation | |||
| Minute Degree | 30 | 30 | 30 | 20 |
| mm / 100 mm | 0.87 | 0.87 | 0.87 | 0.58 |
| D2 | Allowed Deviation | |||
| Minute Degree | 30 | 20 | 15 | 15 |
| mm / 100 mm | 0.87 | 0.58 | 0.44 | 0.44 |
| Ra | Rz | Rt | |
|---|---|---|---|
| N9 | 6.3 | 23-32 | 25-38 |