Browning 1043074 Qd V Belt Sheave 2 Groove 6.25 in Od

Product Description

The BROWNING 1043074 is a two-groove, QD bushed V belt sheave designed for power transmission applications in HVAC, industrial, and mechanical drive systems. It features a 6.25-inch outside diameter and accepts an H-style QD bushing for secure shaft mounting. Bore diameter ranges from 0.375 inches to 1.5 inches, providing flexibility across a wide variety of shaft sizes. Belt pitch A diameter is 5.5 inches and belt pitch B diameter is 5.9 inches. The sheave weighs 4.9 pounds and is intended for installation by qualified HVAC technicians and mechanical contractors working on belt-driven fan and blower assemblies.

This sheave is commonly used in belt-driven blower and fan applications found in commercial and residential HVAC air handling units, rooftop units, and industrial ventilation systems. The QD bushing design allows for quick installation and removal without specialized puller tools, making it well suited for preventive maintenance and drive system overhauls. Both standard A-section and B-section V belts are compatible based on the pitch diameters provided.

Key Features

• Two-groove design supports dual V belt drive configurations
• H-style QD bushing interface for tool-free shaft removal and reinstallation
• Bore range of 0.375 inches to 1.5 inches accommodates multiple shaft sizes
• 6.25-inch outside diameter suitable for a wide range of drive ratios
• Compatible with A-section and B-section V belts based on pitch diameters
• Weighs 4.9 pounds for straightforward single-technician handling

Compatibility

Designed as an OEM-style replacement or direct upgrade for two-groove H-bushing QD V belt sheave applications in belt-driven HVAC and mechanical drive systems. Accepts H-style QD bushings sold separately.

Installation Notes

Installation should be performed by a qualified technician. Disconnect and lock out all power to the unit before removing or installing any sheave or belt components. The H-style QD bushing must be sourced and installed separately per the bushing manufacturer torque sequence guidelines. After installation, verify belt tension and alignment per drive manufacturer specifications before returning the system to service.