Browning 1028224 Single Groove Sheave 7/8 Bore 3.95 Od

Product Description

The BROWNING 1028224 is a finished bore single groove sheave designed for V-belt drive systems in HVAC, industrial, and mechanical power transmission applications. Cast from iron for durability, this sheave features a 7/8 inch finished bore and a 3.95 inch outside diameter. The belt pitch diameter measures 3.6 inches for B or A profile belts, with a pitch diameter of 3.2 inches for 4L or A belt types. The bore length through the hub runs 1-5/32 inches. At 1.7 pounds, it is a compact, single-groove unit suited for light-to-medium duty V-belt drive setups. Installation is typically performed by HVAC technicians or millwrights during motor or blower drive assembly or belt replacement service.

This sheave is used in single-belt V-belt drive configurations found in residential and light commercial HVAC systems, ventilation fans, blowers, and general power transmission equipment. It accepts standard B-section or A-section V-belts and 4L fractional horsepower belts, making it a practical replacement component in motor-to-blower drive assemblies. The finished bore means it is ready to mount on a 7/8 inch shaft without additional machining.

Key Features

• Finished bore design — ready to mount on a 7/8 inch shaft, no machining required
• Single groove configuration accepts standard A, B, or 4L V-belts
• Cast iron construction for wear resistance in belt drive applications
• Belt pitch diameter of 3.6 inches for B or A belt types
• Pitch diameter of 3.2 inches for 4L or A belt types
• Compact 1.7 pound weight suitable for residential and light commercial drive systems

Compatibility

Designed as an OEM-style replacement single groove sheave for V-belt drive systems using standard A-section, B-section, or 4L fractional horsepower V-belts on 7/8 inch shafts.

Installation Notes

Installation should be performed by a qualified HVAC technician or millwright. Disconnect and lock out electrical power to the motor before removing or installing any drive components. Verify shaft diameter and keyway dimensions before mounting, and ensure belt tension is set to manufacturer drive specifications after installation. Do not operate the drive without proper belt guards in place per applicable safety codes.