Browning 1042639 Qd Bushed V-belt Sheave 1 Groove 10.75in

Product Description

The BROWNING 1042639 is a single-groove, QD bushed V-belt sheave designed for use in belt-driven mechanical power transmission systems. It accepts both A-section and B-section V-belts and features an H-style QD bushing interface, allowing quick installation and removal without special tooling. The outside diameter measures 10.75 inches, with a belt pitch diameter of 10.0 inches for A-section belts and 10.4 inches for B-section belts. Bore diameter is field-adjustable from 0.375 inches to 1.5 inches depending on the bushing selected. Cast iron construction provides durability in demanding drive applications. This sheave is installed by HVAC technicians, millwrights, and mechanical contractors.

This sheave is well-suited for fan drives, blower drives, pump drives, and general industrial power transmission where a 10.75-inch single-groove QD sheave is required. Common applications include air handling units, centrifugal fans, and belt-driven blowers in commercial and light industrial HVAC systems. The H-style QD bushing mount accommodates a wide range of shaft diameters, making this sheave adaptable across multiple equipment configurations. Consult the driven equipment specifications to confirm belt section, pitch diameter, and center-to-center distance before installation.

Key Features

• Single-groove QD bushed design with H-style bushing for fast, secure shaft mounting
• Accepts A-section and B-section V-belts for application flexibility
• Outside diameter of 10.75 inches with 10.0-inch A-belt pitch diameter and 10.4-inch B-belt pitch diameter
• Bore diameter range of 0.375 inches to 1.5 inches accommodates common shaft sizes
• Cast iron construction for strength and long service life in continuous-duty drives

Compatibility

Designed as an OEM-style replacement or new-installation single-groove QD sheave for belt-driven fan, blower, and pump drive systems using A-section or B-section V-belts. Requires a separate H-style QD bushing, sold independently, to complete installation.

Installation Notes

Installation and removal should be performed by a qualified millwright, HVAC technician, or mechanical contractor. Disconnect and lock out all power to the drive system before handling any sheave or belt components. The QD bushing must be torqued to the bushing manufacturer's specifications using appropriate fasteners — do not overtighten or use impact tools on bushing screws. Verify belt tension, sheave alignment, and belt condition after installation before returning the drive to service.