Description
AAON P66670 Pulley Bushing — Type H x 1.38″ Bore
The AAON P66670 is a genuine OEM Type H taper-lock style pulley bushing designed to securely mount sheaves and pulleys onto fan or blower shafts in AAON commercial HVAC equipment. Engineered to exact AAON specifications, this bushing ensures proper power transmission, minimizes vibration, and extends the service life of belt-drive components in rooftop units and air handling systems.
Key Features
- OEM AAON replacement part — engineered to original factory specifications
- Type H taper-lock bushing design for secure, concentric pulley mounting
- 1.38″ bore diameter for precise shaft fitment
- Facilitates easy installation and removal of sheaves without shaft damage
- Helps maintain proper belt alignment and tension for efficient power transmission
- Compatible with AAON commercial rooftop units and air handling equipment
Product Specifications
- SKU: P66670
- Brand: AAON
- Bushing Type: H (Taper-Lock Style)
- Bore Size: 1.38″
- Application: Pulley/Sheave mounting on fan/blower shafts
Application
This bushing is intended for use in AAON commercial HVAC systems where belt-driven blower and fan assemblies require reliable sheave retention. Proper bushing replacement is critical to maintaining optimal airflow, reducing mechanical wear, and preventing costly downtime in commercial heating and cooling applications.







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