Description
York S1-028-12010-700 Single Groove Cast Iron Sheave Overview
The York S1-028-12010-700 is a heavy-duty single groove cast iron sheave engineered for reliable belt-drive performance in HVAC air handling and blower applications. Featuring a 6.55″ outside diameter and a 1-3/8″ fixed bore, this sheave delivers precise, consistent power transmission between the motor and blower shaft. The variable pitch range of 4.9 to 6.4 allows technicians to fine-tune blower speed and airflow output without replacing the sheave, making it an ideal solution for system balancing and commissioning.
Key Features
- Outside Diameter: 6.55″
- Bore Size: 1-3/8″ Fixed Bore
- Variable Pitch Range: 4.9 – 6.4
- Groove Configuration: Single Groove
- Material: Cast Iron construction for long-lasting durability
- Designed for use in HVAC blower and air handler belt-drive systems
- Genuine York OEM replacement part
Application & Benefits
The cast iron construction of this sheave provides excellent resistance to wear and deformation under continuous operation, ensuring a long service life in demanding HVAC environments. The variable pitch design gives service technicians the flexibility to adjust blower RPM and system airflow during startup and balancing procedures, reducing the need for additional components. The fixed 1-3/8″ bore ensures a secure, precise fit on the blower shaft, minimizing vibration and extending belt life.
Compatibility
This sheave is a genuine York OEM component, part number S1-028-12010-700, designed to meet the exact specifications of York HVAC equipment. Always verify shaft diameter and belt cross-section compatibility before installation.
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