Martin 0142739R 40BS12HT 1-3/8 Bored-to-Size roller chain sprocket for #40 chain (1/2" pitch), 12 teeth, 1-3/8" finished bore with keyway and two setscrews. Hardened teeth (Saber Tooth, RC 40-50) extend wear life in abrasive conditions or high-ratio drives. Steel construction with one hub (Type B).

Sprockets Introducing the Martin Sprocket 0142739R ALT SPK ROLLER B MET HARDEN TEETH, a premium-grade sprocket designed for robust performance in various power transmission applications. Engineered with precision, this sprocket features hardened teeth that ensure prolonged operational life and reduced wear, making it ideal for demanding industrial environments.

Key Features

• Material: Constructed from high-quality metal with hardened teeth for enhanced durability and wear resistance.
• Bore Size: Designed with a bore diameter of 1 3/8 inches (1.375/1.3765 inches), facilitating easy integration with standard shafts.
• Keyway: Features a 5/16" x 5/32" standard keyway, ensuring reliable engagement with the shaft and minimizing slippage.
• Set Screws: Equipped with two 5/16-18 UNC set screws for secure fastening, enhancing stability during operation.
• Optimized Performance: Engineered to provide smooth operation and efficient power transfer, making it suitable for a range of applications.

Applications

• Industrial Machinery: Ideal for use in various industrial machines where reliable power transmission is critical.
• Material Handling Systems: Perfect for applications involving conveyors and heavy-duty machinery, ensuring efficient operation and minimal downtime.
• Automotive Applications: Suitable for automotive systems requiring durable and high-performance sprockets to handle significant loads.

Benefits

• Enhanced Durability: Hardened teeth reduce wear, extending the lifespan of the sprocket and minimizing maintenance costs.
• Reliable Performance: Provides consistent power transmission, ensuring that machinery operates smoothly and efficiently.
• Easy Installation: The standard bore and keyway design allow for quick and easy installation, reducing downtime during maintenance or repairs. --- Product information compiled with AI assistance for reference purposes.