| Product | dimensional data | Shaft | - | Size | (d) 0.6875 |
| Product | dimensional data | Shaft | - | Size | (d) 0.6875 |
| Dimensions | (mm) (in) | Overall Diameter | (a) 81.0 / 3.19 | Thickness Thru Bolt Hole | (c) 10.4 / 0.41 |
| Bolt Circle Diameter | (e) 63.5 / 2.5 | Flange Thickness | (f) 17.0 / 0.67 | Bolt Hole Width | (g) 7.1 / .28 |