| Diameter(mm)D | Inner Hole(mm) d |
Body Thickness(mm) b |
Segment Width(mm) d |
Segment Quantities(pcs) Z |
| 180 | 25.4 | 2.2 | 3.2 | 30 |
| 200 | 25.4 | 2.2 | 3.2 | 36 |
| 230 | 25.4/30 | 2.2 | 3.2 | 40 |
| 250 | 30 | 2.2 | 3.2 | 40 |
| 300 | 30 | 2.2 | 3.2 | 48 |
| 350 | 30 | 2.5 | 3.5 | 54 |
| 400 | 30 | 2.5 | 3.5 | 60 |
| 450 | 30 | 2.8 | 4.0 | 72 |
| 500 | 30 | 3.0 | 4.4 | 80 |