Regal Rexnord - Marathon 1VM50-5/8PD Variable Pitch Motor Pulley 5/8" Bore

The Regal Rexnord - Marathon 1VM50-5/8PD is a variable pitch motor pulley designed for flexible speed control in industrial motor applications. This single-groove sheave features a 5/8-inch finished bore and is engineered to work with 3L, 4L, 5L, A, and B section V-belts.

Key Features:

• 4-3/4 inch outer diameter
• 5/8 inch finished bore with standard keyway
• Variable pitch design allows speed adjustment without changing pulleys
• Compatible with 3L, 4L, 5L, A, and B section V-belts
• Pitch diameter range: 3.3" to 4.1" (3L belt), 3.6" to 4.6" (A belt), 3.8" to 4.8" (B belt)
• Cast iron construction for durability
• Includes set screws for secure mounting and pitch adjustment

Variable pitch pulleys provide an economical solution for applications requiring speed adjustment, commonly used in HVAC equipment, industrial machinery, and motor-driven applications where precise speed control is needed.