Martin SF21/4 Standard QD Bushing

Product Description

The Martin SF21/4 is a standard quick detachable bushing designed for easy mounting. This bushing features a bore diameter of two and one-fourth inches and a barrel diameter of three and one-eighth inches. It is constructed from steel for durability and reliability in various applications.

• Size SF bushing suitable for various mounting types
• Features precise machining for a consistent finish
• Interchangeable with other QD bushings from various manufacturers

Product Highlights

This Martin QD Bushing is ideal for power transmission systems and provides straightforward installation while ensuring secure operation.

Product Information

Standard Information

• Brand: Martin
• Manufacturer: Martin Sprocket & Gear

Technical Specifications

• Material: Steel
• Bore Diameter: 2-1/4 in
• Barrel Diameter: 3-1/8 in
• Flange Diameter: 4-5/8 in
• Overall Length: 2.063 in
• Hub Diameter: 5-1/2 in
• Torque Rating: 11000 in-lb
• Number of Bolt Holes: 3
• Flange Thickness: 0.563 in
• Keyway Size: 1/4 x 1/2 in
• Bolt Circle Diameter: 3-7/8 in
• Screw Size: 3/8-16 x 2 in
• Type: Standard