| Model no. | Outer diameter | Dimensional tolerance | Depth of effective hardened layer | |
| g6 | h6 | |||
| SI-04 | 6.35 | -0.004 -0.012 | 0 -0.008 | 0.4~1.0 | SI-06 | 9.525 | -0.005 -0.014 | 0 -0.009 | 0.6~1.5 |
| SI-08 | 12.7 | -0.006 -0.017 | 0 -0.011 | 0.6~1.5 | SI-10 | 15.875 | -0.006 -0.017 | 0 -0.011 | 0.8~2.0 |
| SI-12 | 19.05 | -0.007 -0.020 | 0 -0.013 | 0.8~2.0 | SI-16 | 25.4 | -0.007 -0.020 | 0 -0.013 | 0.8~2.0 |
| SI-20 | 31.75 | -0.007 -0.020 | 0 -0.013 | 0.8~3.0 | SI-24 | 38.1 | -0.009 -0.025 | 0 -0.016 | 0.8~3.0 |
| SI-32 | 50.8 | -0.009 -0.025 | 0 -0.016 | 0.8~3.0 |