Martin 40BS1811/4 Bored to Size Sprocket - 1/2 in 18 Teeth

Product Description

The Martin Bored to Size Sprocket, MPN 40BS1811/4, is designed for use in mechanical power transmission applications. It features a bore diameter of 1.25 inches and has 18 teeth. This sprocket is made from high carbon steel and meets ANSI standards.

• Finished bore design with keyways and setscrews for easy installation.
• Manufactured with precise machining for high quality and consistent finish.
• Designed to minimize run out with concentric bores.

Product Highlights

The Martin sprocket is ideal for standard roller chain applications, particularly where precision and durability are required.

Product Information

Standard Information

• Brand: Martin
• Country of Origin: United States

Technical Specifications

• Bore Diameter: 1.2500 inches
• Number of Teeth: 18
• Pitch Diameter: 2.8794 inches
• Tooth Width: 0.284 inches
• Hub Diameter: 2-5/16 inches
• Outside Diameter: 3.1360 inches
• Chain Number & Pitch: 40 / 1/2 inch
• Length Through Bore: 1.0000 inches
• Storage Dimension Width: 3.2500 inches
• Storage Dimension Height: 1.0625 inches
• Storage Dimension Length: 3.2500 inches