121-288

This high-quality H-style pulley bushing is a critical component for industrial and commercial HVAC systems, designed to provide a secure and stable connection between a drive pulley and a blower shaft. Featuring a 1-3/16 inch bore, this tapered bushing ensures precise alignment and maximum torque transmission, which helps reduce vibration and prevent slippage in belt-driven applications. It is an essential replacement part for maintaining the efficiency of air handlers, furnaces, and ventilation units. Constructed for durability and performance, it helps extend the life of your blower assembly by ensuring the drive system operates smoothly under high-demand conditions.
Type: Blower Drive Bushing
Size: 1-3/16 inch bore
Application: Used in belt-driven HVAC blowers, industrial fan assemblies, and commercial air handling units to lock pulleys and sheaves onto drive shafts.
Specifications: H-series split-tapered design, 1-3/16" internal diameter (ID), engineered for high-torque mechanical drive systems.