Bridgeport Mill Quill Pinion Shaft – OEM #2193501
Replace a worn or damaged quill pinion shaft with this direct replacement for American-made Bridgeport milling machines. Designed to replace OEM #2193501, this precision-machined shaft is a key component of the quill feed mechanism and serves as the mounting point for the clock (quill return) spring.
Built for an accurate fit and dependable performance, this replacement shaft is ideal for machine maintenance, repairs, and complete milling head rebuilds.
Specifications
- OEM Part Number: 2193501
- Fits American-made Bridgeport milling machines
- Component: Quill pinion shaft
- Function: Supports the quill feed mechanism and provides the mounting point for the clock spring
Features
- Direct replacement for the original OEM quill pinion shaft
- Clock (quill return) spring attaches directly to the shaft
- Precision-machined for an accurate fit
- Helps restore smooth quill operation
- Durable construction for long service life
- Ideal for maintenance, repairs, and machine restoration
Please verify your machine model and OEM part number before ordering to ensure compatibility.






