Description
The Lennox 56953 Pulley is a mechanical drive component used in HVAC systems to transmit rotational motion from a motor to driven parts such as blower wheels or fans via belts. It is sized with a 4.75-inch outer diameter and a 1/8‑inch bore for exact shaft mounting and speed ratio control. It is used in blower assemblies, furnaces, or air handlers. It works with belts and motors or shafts to maintain correct speed and torque delivery. It is to support efficient mechanical power transfer that promotes proper airflow and consistent system performance.









