Martin 40BS1811/8 Bored to Size Sprocket - 40 / 1/2 in, Bored to Size, 1.1250 in Bore , 18 Teeth

Product Description

The Martin 40BS1811/8 is a bored to size sprocket with a bore measurement of one point one two five inches and features eighteen teeth. This sprocket is designed for use with standard roller chains. It is manufactured from high-carbon steel, ensuring durability and reliability for mechanical power transmission applications.

• Finished bore design
• Compatible with keyways and setscrews
• Meets ANSI tolerances

Product Highlights

This sprocket is shaft-ready and includes keyways that are aligned with the centerline of the tooth for accurate installation.

Product Information

Standard Information

• Brand: Martin
• Country Of Origin: United States

Technical Specifications

• MPN: 40BS1811/8
• Number Of Teeth: 18
• Bore Diameter: 1.1250 inches
• Pitch Diameter: 2.8794 inches
• Hub Diameter: 2.3125 inches
• Chain Number & Pitch: 40 / 1/2 inches
• Outside Diameter: 3.1360 inches
• Length Through Bore: 1.0000 inches