Martin 501811/4 Finished Bore Roller Chain Coupling Hub 1 1/4 | 5018 1 1/4

Product Description

The Martin 501811/4 is a finished bore roller chain coupling hub. It is designed for high torque applications while maintaining a secure fit. This coupling hub is suitable for various machinery and equipment that require precise torque transmission.

• Torque capacity is higher than standard shafting limits.
• Compatible with chain number 50.
• Constructed from durable steel for long-lasting performance.

Product Highlights

The Martin coupling hub features a bored-to-size design that ensures a precise fit for your application.

Product Information

Standard Information

• Brand: Martin
• Part Number: 501811/4

Technical Specifications

• Hub Diameter: 2.968 inches
• Chain Number: 50
• Number of Teeth: 18
• Keyway: 1/4 x 1/8 inches
• Bore Size: 1.250 inches - 1 1/4 inches
• Pitch Diameter: 3.599 inches
• Number of Screws: 1
• Bore Range: 1.25 inches
• Material: Steel
• Has Finished Bore: Yes
• Length Through Bore: 1.687 inches
• Outside Diameter: 3.720 inches
• Overall Length of Complete Coupling: 3.75 inches
• Weight: 2.42 pounds
• EAN or UPC: 697950047256