Description
The York S1-028-04807-700 is a single groove cast iron sheave engineered for dependable belt drive performance in HVAC air handling and blower applications. Built to York OEM specifications, this sheave delivers precise power transmission with the durability and rigidity that cast iron construction provides.
Key Specifications
- Outside Diameter: 4.75″
- Bore Type: Fixed Bore — 7/8″
- Pitch Range: 3.3 – 4.8 Variable Pitch
- Groove Configuration: Single Groove
- Material: Cast Iron
- OEM Part Number: S1-028-04807-700
- Brand: York
Product Highlights
- Variable pitch design allows field adjustment of blower speed without changing sheaves or belts
- Cast iron construction provides superior rigidity and long service life under continuous load
- Fixed 7/8″ bore ensures a secure, precise fit on compatible motor or blower shafts
- Single groove design suited for standard V-belt drive configurations
- Direct OEM replacement for York equipment — ensures proper fit and performance
Applications
- York air handling units and blower assemblies
- Commercial and residential HVAC belt drive systems
- Fan and blower motor drive trains requiring variable speed adjustment
Why Choose OEM York Parts?
Using genuine York replacement components ensures your equipment operates within factory-specified parameters, protecting system efficiency, warranty compliance, and long-term reliability. The S1-028-04807-700 sheave is designed to integrate seamlessly into York blower drive assemblies, reducing downtime and simplifying maintenance.







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