Browning 3693645 Qd Bushed V Belt Sheave 1 Groove

Product Description

The BROWNING 3693645 is a single-groove, QD bushed V belt sheave designed for power transmission applications in HVAC, industrial, and mechanical systems. It features a 5.68-inch outside diameter and accepts bore sizes ranging from 5/8 inch to 2-1/4 inches, accommodating a variety of shaft configurations through its B-style QD bushing mount. Belt pitch diameters are 5.0 inches for A-section belts, 5.4 inches for B-section belts, and 5.5 inches for 5V-section belts. At 3.95 pounds, this cast sheave is built for reliable long-term service in belt-driven fan, blower, and pump systems. Installation is typically handled by HVAC technicians, millwrights, or mechanical contractors.

This sheave is suited for single V belt drive setups in residential and light commercial applications, including air handlers, rooftop units, belt-drive fans, and pump assemblies. The QD bushing system allows for straightforward shaft mounting and removal without specialized tooling, making it a practical choice for service and replacement work on belt-driven equipment where downtime needs to be minimized.

Key Features

• Single-groove design rated for A, B, and 5V section V belts
• Outside diameter of 5.68 inches with a 5.5-inch 5V belt pitch diameter
• Bore range from 5/8 inch to 2-1/4 inches via B-style QD bushing
• QD bushing mount allows fast installation and removal on drive shafts
• Lightweight at 3.95 pounds, reducing load on bearings and shaft assemblies

Compatibility

Designed as an OEM-style replacement or upgrade sheave for single V belt drive systems using A-section, B-section, or 5V-section belts with a B-style QD bushing interface.

Installation Notes

Installation should be performed by a qualified HVAC technician or millwright. Disconnect and lock out all power to the drive system before removing or installing any sheave. Ensure the QD bushing bore matches the driven shaft diameter before tightening. Verify belt tension and sheave alignment after installation to prevent premature belt and bearing wear.