Bridgeport J Head Pinion Shaft Hub Screw – OEM #2190182
Replace a worn or damaged pinion shaft hub screw with this American-made replacement for American-made Bridgeport J Head milling machines. Designed to replace OEM #2190182, this screw installs in the hub sleeve and helps securely retain the pinion shaft assembly for proper quill operation.
Precision-manufactured in the USA for an accurate fit and long service life, this replacement is ideal for routine maintenance, repairs, and complete milling head rebuilds.
Specifications
- OEM Part Number: 2190182
- Fits American-made Bridgeport J Head milling machines
- Thread Size: 5/16″-18
- Head Diameter: 3/4″
- Component: Pinion shaft hub screw
- Mounting Location: Hub sleeve
- Made in the USA
Features
- Direct replacement for the original OEM hub screw
- Installs in the hub sleeve to secure the pinion shaft assembly
- Precision-machined for an accurate fit
- Durable American-made construction
- Ideal for maintenance, repairs, and machine restoration
Please verify your machine model, thread size, and OEM part number before ordering to ensure compatibility.






