Browning AK41X5/8 Sheave

The Browning AK41X5/8 is a high-grade cast iron sheave engineered for reliable power transmission in fractional horsepower (FHP) HVACR applications. This single-groove, fixed-bore pulley is a direct interchange for the Lennox 10H11 and features a 3.95" outside diameter with a precision-machined 5/8" finished bore. Designed for versatility on the job site, it is compatible with 3L, 4L, and A-section V-belts, allowing technicians to standardize their inventory. The close-grain cast iron construction ensures maximum wear resistance, while the statically balanced design minimizes vibration to extend the service life of both motor bearings and belts. Each unit includes a standard 3/16" x 3/32" keyway and setscrew for secure shaft mounting, making it an essential component for fans, blowers, and air handling units requiring a 3.70" datum diameter for A-belts or 3.36" for 3L belts.

Key Benefits:

• Universal Compatibility: Seamlessly fits 3L, 4L, and A V-belts, providing flexibility for various drive configurations.
• Interchangeable Design: Serves as a 100% functional match for the 10H11 sheave commonly found in Lennox equipment.
• Precision Machining: The finished bore with integral keyway eliminates the need for additional bushings or onsite machining.
• Industrial Durability: Robust cast iron material offers superior heat dissipation and prevents groove deformation under load.
• Vibration Control: Factory static balancing ensures smooth operation, reducing mechanical stress on the HVAC drive system.

Common Questions:

Is the Browning AK41X5/8 compatible with both 4L and A belts?
Yes, this sheave is specifically designed to accommodate 4L and A-section belts, as well as 3L belts, making it a versatile choice for standard V-belt pulley replacements.

Does this part replace the Lennox 10H11?
Correct. The AK41X5/8 is the exact technical equivalent to the 10H11, maintaining the same 3.95" OD and 5/8" bore specifications.

What is the purpose of the static balancing on this sheave?
Static balancing prevents the "wobble" often seen in lower-quality pulleys, which is critical for maintaining HVAC blower alignment and protecting motor internal components.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.