Martin 40BS123/4 40BS12 3/4 MSG Bored-to-Size Type BS

Product Description

The Martin 40BS123/4 is a bored-to-size, single pitch roller chain sprocket designed for use with a #40 chain. This sprocket has a three-fourths inch diameter bore and features twelve teeth, providing reliable performance in various applications.

• Keyway is located on the center line of the tooth
• Manufactured from high carbon steel for strength
• Precision machined for consistent quality

Product Highlights

This roller chain sprocket is ideal for machinery requiring high strength and durability. The keyways ensure secure attachment to the shaft, while the precise machining minimizes operational run-out.

Product Information

Standard Information

• Brand: Martin Sprocket & Gear
• Part Number: 40BS12 3/4 MSG

Technical Specifications

• Bore Diameter: 3/4 in
• Outside Diameter: 2.166 in
• Pitch Diameter: 1.932 in
• Number of Teeth: 12
• Pitch: 1/2 in
• Chain Size: #40
• Hub Diameter: 1.593 in
• Length Through Bore: 7/8 in
• Screw Size: 1/4-20 x 1/4 in
• Keyway Size: 3/16 x 3/32 in
• Material: Steel
• Country of Origin: US