Bridgeport Variable Speed Adjustable Drive Disc Assembly
Replace a worn or damaged variable speed drive component with this complete adjustable drive variable disc assembly for American-made Bridgeport variable speed milling machines.
The assembly arrives balanced, fully pressed together, and ready to install, saving time during head repairs and eliminating the need to press the individual components together separately.
Assembly Includes
- 1559 Adjustable Drive Variable Disc – OEM #2183934
- 1557 Spindle Pulley Bearing Housing – OEM #2180056
- 1558 Bearing
Features
- Complete, ready-to-install assembly
- Disc is professionally balanced
- Components arrive pressed together
- Helps restore smooth variable speed operation
- Reduces installation time during milling-head repairs
- Ideal for maintenance, rebuilding, and machine restoration
Simply remove the worn assembly and install this completed replacement in your machine.
Please verify your machine model and OEM part numbers before ordering to ensure compatibility.






