Browning 1VP56 Single Groove Variable Pitch Pulley

Description:

The Pulley 1VP56 Single Groove Pulley is used in belt-driven power transmission systems to transfer mechanical power while allowing speed adjustment through a variable pitch sheave design. Commonly installed in HVAC equipment, pumps, fans, compressors, conveyors, and industrial machinery requiring adjustable drive ratios and efficient power transmission. Maintenance teams and system integrators use this pulley for replacement, retrofit projects, and drive system tuning to optimize equipment performance and belt life. The pulley features a 5.6-inch outside diameter and a 3/4-inch finished bore.

Applications:

The Pulley 1VP56 Single Groove Pulley is commonly used in industrial belt drive systems, air handling units, blower assemblies, pumping equipment, conveyor drives, agricultural machinery, and manufacturing equipment where adjustable speed control and reliable V-belt power transmission are required. Its variable pitch design allows fine adjustment of driven equipment speed without changing motor or driven pulleys.

Technical Specifications:

• Part Number: 1VP56
• Product Type: Single Groove Variable Pitch Pulley / Sheave
• Pulley Type: Adjustable Variable Pitch Sheave
• Number of Grooves: 1
• Outside Diameter: 5.35 in. to 5.60 in.
• Bore Size: 3/4 in. Finished Bore
• Belt Compatibility: 3L, 4L, 5L, A, and B Section V-Belts
• Material: Cast Iron
• Keyway Size: 3/16 in. x 3/32 in.
• Set Screw Size: 5/16-18 UNC
• Hub Diameter: 2.50 in.
• Mounting Type: Finished Bore with Keyway and Setscrews
• Function: Speed Adjustment and Power Transmission
• Construction: Industrial-Duty Cast Iron Sheave
• Application: Mechanical Power Transmission Systems

Common Replacements:

• Martin 1VP56-3/4 Variable Pitch Sheave
• Browning 1VP56X3/4 Adjustable Pulley
• Dodge 1VP56X3/4 Cast Iron Variable Pitch Sheave