Browning 3694270 3-groove Qd V-belt Sheave 7.08in Od

Product Description

The BROWNING 3694270 is a three-groove, Quick Detachable (QD) bushed V-belt sheave designed for industrial and commercial HVAC and mechanical drive applications. With an outside diameter of 7.08 inches and a bore range of 5/8 inch to 2-1/4 inch, this sheave accommodates 5V, A, and B series V-belts. The iron construction provides durability under continuous-duty belt drive loads. It uses a Type B QD bushing style, making installation and removal straightforward without specialty tooling. Licensed HVAC technicians and mechanical contractors specify this sheave for air handler blower assemblies, condenser fan drives, and other belt-driven equipment.

This sheave is suited for residential and light commercial belt drive systems where 5V, A, or B series belts are used. Typical applications include blower and fan drives on rooftop units, air handling units, and industrial ventilation equipment. The three-groove configuration supports multi-belt drive arrangements, distributing load across the belt set and reducing individual belt stress in high-torque or continuous-duty cycles.

Key Features

• Three grooves accept 5V, A, and B series V-belts
• 7.08 inch outside diameter with 6.9 inch belt pitch diameter for 5V belts
• Bore range of 5/8 inch to 2-1/4 inch fits a wide range of shaft sizes
• Type B QD bushing style allows fast, tool-minimal installation and removal
• Iron construction resists wear under sustained belt tension and load cycling
• UNSPSC classified 31171804 for procurement and catalog systems

Compatibility

Designed as an OEM-style replacement or new-install sheave for three-groove 5V, A, and B series V-belt drive systems using a Type B QD bushing. Specific shaft and equipment compatibility depends on bore size selection and driven equipment specifications.

Installation Notes

Installation should be performed by a qualified HVAC technician or mechanical contractor. De-energize and lock out the drive system before removing or installing any sheave or bushing. Verify shaft diameter falls within the 5/8 inch to 2-1/4 inch bore range before ordering the appropriate QD bushing. Do not overtighten bushing fasteners beyond the torque values specified by the bushing manufacturer, and inspect belt tension and alignment after installation per the belt manufacturer guidelines.