Browning 1046457 3X501 1VL44 Variable-Pitch Sheave Pulley – 7/8” Fixed Bore

The Browning 1046457 (3X501 / 1VL44) is a heavy-duty variable-pitch V-belt sheave pulley designed for efficient power transmission in industrial and HVAC applications. Manufactured from durable cast iron, this sheave offers excellent wear resistance and superior heat dissipation for long service life under continuous operation.

This pulley features a 7/8” finished fixed bore, precision-machined to accept a matching shaft size for quick, secure installation. It comes ready to install, with a machined bore and provisions for secure shaft mounting to help prevent slipping during operation. The variable-pitch design allows for fine adjustment of belt speed and performance, making it ideal for applications requiring flexibility in speed control.

Key Features

• Variable-pitch V-belt sheave for adjustable speed control

• 7/8” fixed, finished bore for precise shaft fit

• Cast iron construction for durability, wear resistance, and heat absorption

• Ready-to-install design with machined bore and secure shaft-mounting provisions

• Suitable for industrial, HVAC, and power transmission systems

Specifications

• Brand: Browning

• Manufacturer Part Number: 1046457

• Model / Series: 3X501 / 1VL44

• Pulley Type: Variable-Pitch V-Belt Sheave

• Bore Size: 7/8 in (Fixed Bore)

• Material: Cast Iron

• Application: Power transmission, motors, industrial and HVAC equipment

The Browning 1VL44 variable-pitch sheave is a dependable choice for professionals who need strength, adjustability, and long-term performance in demanding belt-drive applications.