Martin 40BS2111/8 40BS21 1 1/8 MSG Sprocket 1-1/8 in

Product Description

The Martin 40BS2111/8 is a bored-to-size type BS single pitch roller chain sprocket designed for use with #40 chain. It features a one and one-eighth inch diameter bore and is manufactured from steel. This product is ready to install with keyways and setscrews, allowing for easy connection to standard shafts.

• Finished bore sprockets with keyways and setscrews included.
• Designed for precise machining to ensure a high-quality and consistent finish.
• 2 setscrews keyed on the centerline of the tooth to minimize run-out.

Product Highlights

Ideal for various machinery applications that utilize roller chains, providing reliable performance and longevity.

Product Information

Standard Information

• Brand: Martin
• Type: Bored-to-Size Type BS

Technical Specifications

• Bore Diameter: 1-1/8 in
• Outside Diameter: 3.617 in
• Pitch Diameter: 3.355 in
• Number of Teeth: 21
• Pitch: 1/2 in
• Hub Diameter: 2-3/4 in
• Length Through Bore: 1 in
• Chain Size: #40
• Screw Size: 5/16-18 x 5/16 in
• Keyway Size: 1/4 x 1/8 in
• Material: Steel
• Country of Origin: US