Martin 40BS217/8 Bored to Size Sprocket - 40 / 1/2 in

Product Description

The Martin 40BS217/8 is a bored to size sprocket designed for standard roller chain applications. This sprocket features a half-inch bore of zero point eight seven five inches and has twenty-one teeth. It is made from high carbon steel ensuring strength and durability. It is shaft ready and comes with keyways and setscrews for easy installation.

• Keyways on the centerline of the tooth
• Manufactured to meet ANSI standards
• Consistent finish through precise machining

Product Highlights

This sprocket is suitable for use in mechanical power transmission systems, specifically in chain and sprocket assemblies.

Product Information

Standard Information

• Brand: Martin
• Country Of Origin: United States

Technical Specifications

• Bore Diameter: 0.8750 inches
• Number Of Teeth: 21
• Pitch Diameter: 3.3548 inches
• Outside Diameter: 3.6170 inches
• Length Through Bore: 1.0000 inches
• Tooth Width: 0.284 inches
• Number Of Hubs: 1
• Surface Treatment: Protective Coating