Description
The Browning 1VM50X5/8 is a single-groove variable pitch V-belt sheave designed for adjustable speed control in HVAC and industrial belt drive systems. Manufactured by Browning (Regal Rexnord), this sheave features a 5/8-inch finished bore for direct shaft mounting and an adjustable pitch diameter that allows technicians to fine-tune drive speed and airflow output. The heavy-duty cast iron construction provides durability and reliable belt tracking in fan, blower, pump, and compressor drives. The variable pitch design supports 4L and A-section belts, making it suitable for fractional horsepower and light industrial applications.
Key Features
- Single-groove variable pitch V-belt sheave
- Finished bore: 5/8 inch
- Adjustable pitch diameter for drive speed tuning
- Compatible belt sections: 4L and A classical V-belts
- Cast iron construction for durability






