York S1-028-09985-700 6.45″ OD Single Groove Cast Iron Sheave, 1″ Fixed Bore

Description

York S1-028-09985-700 Single Groove Cast Iron Sheave Overview

The York S1-028-09985-700 is a heavy-duty single groove cast iron sheave engineered for dependable belt drive performance in HVAC air handling and blower applications. With a 6.45″ outside diameter and a precision-machined 1″ fixed bore, this sheave delivers consistent power transmission and long service life in demanding commercial and industrial environments.

Key Features

• 6.45″ outside diameter for accurate belt alignment and efficient power transfer
• Single groove design compatible with standard V-belt configurations
• 1″ fixed bore for direct shaft mounting — no bushing required
• Cast iron construction provides exceptional durability and resistance to wear
• Genuine York OEM replacement part ensures proper fit and performance
• Ideal for use in HVAC blower assemblies, air handlers, and fan drive systems

Specifications

• SKU: S1-028-09985-700
• Outside Diameter: 6.45″
• Bore Size: 1″ Fixed
• Number of Grooves: Single (1)
• Material: Cast Iron
• Brand: York

Application

This York cast iron sheave is a direct OEM replacement designed to maintain the original engineering specifications of York HVAC equipment. It is suited for belt-driven blower and fan assemblies where precise sheave sizing is critical to maintaining proper airflow, motor load, and system efficiency.