Bridgeport Mill Adjusting Worm Shaft with Key – OEM #2190850
Replace a worn or damaged adjusting worm shaft with this American-made replacement for American-made Bridgeport milling machines. Designed to replace OEM #2190850, this shaft includes the key and fits both variable speed and step pulley mills.
The adjusting worm shaft works with the adjusting worm gear to support smooth and dependable operation of the machine’s adjustment mechanism. It is precision-manufactured in the USA for an accurate fit and reliable performance.
Specifications
- OEM Part Number: 2190850
- Fits American-made Bridgeport milling machines
- Compatible with variable speed and step pulley mills
- Includes the shaft key
- Component: Adjusting worm shaft
- Made in the USA
Features
- Complete adjusting worm shaft with key
- Direct replacement for the original OEM component
- Fits variable speed and step pulley Bridgeport mills
- Helps restore smooth and reliable adjustment
- Precision-manufactured for an accurate fit
- Durable American-made construction
- Ideal for maintenance, repairs, and machine restoration
Please verify your machine model and OEM part number before ordering to ensure compatibility.






