Browning 1042399 Qd Bushed V Belt Sheave 1 Groove BK32H

Product Description

The BROWNING 1042399 is a single-groove, QD bushed V belt sheave designed for use in belt-drive power transmission systems. Cataloged as the BK32H, it features a 3.35-inch outside diameter and accepts H-style QD bushings with bore diameters ranging from 3/8 inch to 1-1/2 inch. The sheave is built for standard A-section V belts with a 2.6-inch belt pitch diameter. Licensed HVAC technicians, millwrights, and mechanical contractors install this type of sheave on fan drives, blower assemblies, and general-purpose belt-drive equipment where quick bushing removal and precise speed ratios are required.

This sheave is suited for both residential and light commercial belt-drive applications. Common install scenarios include air handler fan shafts, exhaust blower drives, and rooftop unit blower sections where an A-section V belt is already in use. The QD bushing system allows the sheave to be mounted and removed without specialized pullers, making it a practical choice for field service and equipment room installations where downtime is a concern.

Key Features

• Single-groove design sized for standard A-section V belts
• 3.35-inch outside diameter with 2.6-inch A-section belt pitch diameter and 3.0-inch B-section belt pitch diameter
• H-style QD bushing mount accepts bore diameters from 3/8 inch to 1-1/2 inch
• QD bushing design allows tool-free removal and reinstallation in the field
• Weighs 1.5 pounds — compact and lightweight for single-groove drive applications

Compatibility

Designed as an OEM-style replacement or new-installation sheave for single-groove A-section V belt drive systems using H-style QD bushings. Bushing is sold separately.

Installation Notes

Installation should be performed by a qualified millwright, HVAC technician, or mechanical contractor. Disconnect and lock out all power to the drive system before mounting or removing the sheave. Ensure the mating H-style QD bushing bore matches the shaft diameter before assembly. Align the sheave to within manufacturer tolerances using a straightedge or laser alignment tool before tensioning the belt to prevent premature wear.