Browning 1042381 Qd Bushed V Belt Sheave 1 Groove

Product Description

The BROWNING 1042381 is a single-groove, quick-detachable (QD) bushed V belt sheave designed for power transmission applications in HVAC, industrial, and mechanical drive systems. It accepts H-style QD bushings and accommodates bore diameters from 3/8 inch up to 1-1/2 inch, giving installers flexibility across a range of shaft sizes. The outside diameter measures 3.15 inches, with a belt pitch A diameter of 2.4 inches and a belt pitch B diameter of 2.8 inches. Cast iron construction provides durability under continuous belt load. This sheave is installed by HVAC technicians, millwrights, and mechanical contractors working on blower and fan drive assemblies.

This sheave is suited for residential and light commercial HVAC blower systems, exhaust fans, and general-purpose belt drive configurations where A or B section V belts are used. The QD bushing design allows for straightforward shaft mounting and removal without specialized tooling, making it practical for service and replacement work in tight equipment compartments. It is sold as a single unit with a minimum order quantity of one.

Key Features

• Single groove design compatible with A and B section V belts
• H-style QD bushing mount for tool-free installation and removal
• Bore range from 3/8 inch to 1-1/2 inch accommodates multiple shaft diameters
• 3.15 inch outside diameter with 2.4 inch belt pitch A diameter
• Cast iron construction for long service life under belt tension loads

Compatibility

Designed as an OEM-style replacement or direct upgrade for single-groove V belt drive assemblies using H-style QD bushings and A or B section V belts.

Installation Notes

Installation should be performed by a qualified HVAC technician or mechanical contractor. Disconnect and lock out power to the equipment before removing or installing the sheave. Mount the H-style QD bushing to the sheave before sliding onto the shaft, and tighten bushing fasteners evenly per standard QD bushing procedure. Verify belt alignment and tension after installation before returning the system to service.