External diameter | Inner Diameter | Mounting hole QTY | Distance between holes | Segment size |
150 | 30/32/50/80 | 3/4/6 | 60/80 | 8/9/10*10/12/14 |
200 | 50/80/140 | 4/6/12 | 105/110/165/180 | 8/9/10*10/12/14 |
250 | 50/80/140 | 4/6/12 | 105/110/165/180 | 8/9/10*10/12/14/22 |
300 | 50/80/140 | 4/6 | 105/110/165 | 8/9/10*10/12/14 |