Martin 251721/8 Taper Lock Bushing - 2.1250 in Bore - 1/2 x 1/4 in Keyway

Product Description

The Martin Taper Lock Bushing, MPN 251721/8, is designed for mechanical power transmission applications. This product features a bore diameter of two point one two five zero inches and a keyway size of one half by one quarter inches.

• Tapered construction allows for superior clamping force.
• Utilizes screws for tightening on the shaft.
• Suitable for sprockets, sheaves, and pulleys.

Product Highlights

This bushing offers a reliable connection for shaft applications where increased clamping force is needed, making it a preferred choice in various mechanical setups.

Product Information

Standard Information

• Brand: Martin
• Country of Origin: United States

Technical Specifications

• Bore Diameter: 2.1250 inches
• Outside Diameter: 3-3/8 inches
• Length Through Bore: 1.75 inches
• Screw Length: 1 inch
• Wrench Torque: 430 in/lb
• Max Hub Outside Diameter: 5-1/2 inches, 4-7/8 inches, 4-3/8 inches
• Number of Bolt Holes: 2
• Bolt Circle Diameter: 3-1/4 inches