Martin 40A21 MSG Stock Bore Type A Single Pitch Roller Chain Sprocket

Product Description

The Martin 40A21 MSG is a Stock Bore Type A Single Pitch Roller Chain Sprocket. This component features a bore diameter of five-eighths inches and an outside diameter of three point six one seven inches. It is designed to work with #40 chain and has twenty-one teeth. It is made of steel for durability and strength. A plates are flat sprockets with no hub extension on either side. They can be modified with bolt holes, custom bores, or special hubs. This sprocket is suitable for a range of mechanical applications where reliable chain movement is essential.

• Compatible with #40 chain
• Standard bore size of five-eighths inches
• Constructed from steel

Product Highlights

This sprocket connects easily to roller chains, ensuring efficient power transmission in machines.

Product Information

Standard Information

• Brand: Martin
• Manufacturer: Martin Sprocket & Gear

Technical Specifications

• Pitch Diameter: 3.355 inches
• Outside Diameter: 3.617 inches
• Bore Diameter: 5/8 inches
• Hub Diameter: 2-3/4 inches
• Length Through Bore: 0.284 inches
• Number of Teeth: 21
• Chain Size: #40
• Material: Steel