Standard rough bore hub for Thomas Series 54RD / 54RDG size 312 coupling. Used when hub barrel is positioned internal to the center spacer.
| RegalRexnord | |
|---|---|
| Product Category | Rigid Couplings |
| Product Number | 737977 |
| Product Name | Thomas 737977 Hubs Disc Coupling Parts & Kits |
| Length | 2.84 inch (72.14 mm) |