York S1-028-12026-700 Sheave

The York S1-028-12026-700 Sheave is a high-performance, industrial-grade fixed bore pulley engineered specifically for heavy-duty HVAC blower assemblies. This cast iron sheave features an 8.75-inch outside diameter and a precision-machined 1-inch bore, designed to maintain consistent torque and RPM in commercial air handling systems. As a genuine York OEM part, it ensures direct compatibility with multi-ton package units and split systems, including DBUC, D2CE, and D2CG series models. The rugged BK90 model sheave design is optimized for power transmission using 4L, A, 5L, or B section belts, providing a secure fit and balanced rotation to reduce vibration and extend the service life of your blower motor and belt. When replacing a worn or cracked single groove sheave, sticking to factory-specified dimensions is critical for maintaining designed airflow and system static pressure across rooftop units and central air systems.

• Optimized Power Transfer: The BK90 design ensures efficient grip for 4L, A, 5L, or B belts, reducing slippage and heat buildup.
• Durable Construction: Manufactured from high-tensile cast iron to resist warping and wear under high-stress startup conditions.
• OEM Precision: Guaranteed fit for York S1-02812026700 applications, maintaining factory balance and rotational alignment.
• Fixed Bore Stability: Features a 1-inch fixed bore that provides a rigid connection to the blower shaft for vibration-free operation.

Common Questions:

What belt types are compatible with the S1-028-12026-700?
This single groove blower pulley is designed to accommodate standard industrial V-belts, specifically A and B sections, as well as 4L and 5L light-duty belts.

Which York HVAC models use this specific sheave?
This York replacement sheave is commonly found on 15 to 25-ton DBUC-W180, D2CE180A25TC, and D2CG180N32025E commercial package units, among others.

Is this an adjustable or fixed pitch sheave?
The York S1-028-12026-700 is a fixed pitch sheave, meaning the drive ratio remains constant once installed, ensuring stable CFM performance.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.