Browning 3693637 Qd Bushed V Belt Sheave 1 Groove 5.48in

Product Description

The BROWNING 3693637 is a single-groove, Quick Detachable (QD) bushed V belt sheave designed for use with 5V, A, and B section belts. Constructed from cast iron, it features an outside diameter of 5.48 inches and accepts bore diameters ranging from 5/8 inch to 2-1/4 inches via a B-style QD bushing, which is sold separately. This sheave is a standard component in belt-drive power transmission systems found in HVAC equipment, fans, blowers, pumps, and light industrial machinery. It weighs 3.55 pounds and is sized for applications requiring a 5.3-inch belt pitch diameter on 5V section belts.

This sheave is suited for residential and commercial HVAC fan and blower drive systems, as well as pump and compressor belt drive assemblies. The B-style QD bushing interface allows for quick, secure mounting and easy removal during routine maintenance. It is appropriate for any application calling for a single-groove sheave compatible with 5V, A, or B section V belts at this diameter range.

Key Features

• Single-groove design compatible with 5V, A, and B section V belts
• Outside diameter of 5.48 inches for standard drive sizing
• Bore range from 5/8 inch to 2-1/4 inches via B-style QD bushing
• Belt pitch diameter: 5.3 inches (5V section), 4.8 inches (A section), 5.2 inches (B section)
• Cast iron construction for durability in belt-drive environments
• QD bushing interface allows fast installation and removal without special tools

Compatibility

Compatible with 5V, A, and B section V belts. Accepts B-style QD bushings to accommodate shaft bore diameters from 5/8 inch to 2-1/4 inches. Designed as an OEM-style replacement or new-installation sheave for belt-driven HVAC, fan, blower, and pump systems requiring a single-groove sheave at this diameter.

Installation Notes

Installation and removal should be performed by a qualified mechanic or HVAC technician with the drive system fully de-energized and locked out per OSHA lockout/tagout procedures. The QD bushing must be installed correctly to achieve proper bore fit and sheave alignment — misalignment causes premature belt and bearing wear. Verify belt section and sheave groove profile match before assembly. Do not over-tighten bushing fasteners beyond the bushing manufacturer specifications.