Browning 1010453 Qd Bushed V-belt Sheave 3 Groove

Product Description

The BROWNING 1010453 is a three-groove, QD bushed V-belt sheave designed for industrial and commercial power-transmission applications. It accepts a Q1-style quick-detachable bushing, allowing fast, tool-efficient installation and removal on driven shafts ranging from 0.75 inches to 2.6875 inches in diameter. The outside diameter measures 5.95 inches, with an A-series belt pitch diameter of 5.2 inches and a B-series belt pitch diameter of 5.6 inches. The sheave weighs 8.9 pounds and is suited for multi-belt drive configurations where reliable torque transfer and easy maintenance access are required. Millwrights, industrial mechanics, and HVAC service techs commonly specify this style of sheave for fan and blower drive assemblies.

This sheave fits typical belt-drive systems found in commercial HVAC air handlers, industrial fans, blowers, and pump drives. The three-groove configuration supports parallel multi-belt setups that distribute load across the drive, reducing individual belt stress and extending service intervals. Its Q1 QD bushing interface is a widely adopted standard in rotating equipment, making it a practical drop-in upgrade or replacement when re-sheaving a drive for speed adjustment or worn-component replacement.

Key Features

• Three-groove design for multi-belt A or B-series V-belt drives
• Q1 quick-detachable bushing style for fast shaft installation and removal
• Outside diameter of 5.95 inches suits standard fan and blower drive frames
• Wide bore range from 0.75 inches to 2.6875 inches accommodates varied shaft sizes
• A-belt pitch diameter of 5.2 inches and B-belt pitch diameter of 5.6 inches
• Weighs 8.9 pounds — substantial cast construction for balanced, low-vibration operation

Compatibility

Designed for use with Q1-style QD bushings and standard A or B-section V-belts in three-groove drive configurations. Suitable for commercial and industrial belt-drive systems requiring an outside diameter of approximately 5.95 inches.

Installation Notes

Installation and removal require a licensed millwright or qualified mechanic following site lockout/tagout procedures before working on any rotating drive. The Q1 bushing must be seated and torqued per the bushing manufacturer specifications before the drive is energized. Verify sheave alignment with a straightedge or laser alignment tool after mounting to prevent premature belt and bearing wear. Consult applicable OSHA and ANSI B15.1 guarding standards before returning the drive to service.