| Model no. | Outer diameter D | Dimensional tolerance | Depth of effective hardened layer | |
| g6 | h6 | |||
| S6 | 6 | -0.004-0.012 | 0 -0.008 | 0.4~1.0 | S8 | 8 | -0.005-0.014 | 0 -0.009 | 0.4~1.0 |
| S10 | 10 | -0.005-0.014 | 0 -0.009 | 0.6~1.5 | S12 | 12 | -0.006-0.017 | 0 -0.011 | 0.6~1.5 |
| S13 | 13 | -0.006-0.017 | 0 -0.011 | 0.6~1.5 | S16 | 16 | -0.006-0.017 | 0 -0.011 | 0.8~2.0 |
| S20 | 20 | -0.007-0.020 | 0 -0.013 | 0.8~2.0 | S25 | 25 | -0.007-0.020 | 0 -0.013 | 0.8~2.0 |
| S30 | 30 | -0.007-0.020 | 0 -0.013 | 0.8~3.0 | S35 | 35 | -0.009 -0.025 | 0 -0.016 | 0.8~3.0 |
| S40 | 40 | -0.009 -0.025 | 0 -0.016 | 0.8~3.0 | S50 | 50 | -0.009 -0.025 | 0 -0.016 | 0.8~3.0 |