- Size 3 1/2W Coupling Flex Hub
- Bored for Mill Motor Frame 16
| Material | Steel |
| Length Through Bore | 4.1875 in |
| HP @ RPM | 230 hp @ 100 rpm |
| Coupling Size | 3 1/2W |
| Hub Dia. | 6 5/8 in |
| Mill Motor Size | 816 |
| Torque Rating [Max] | 145000 in lb |
| RPM [Max] | 3900 rpm |
| Weight | 65.22 LB |
| EAN or UPC | 662384498844 |

