Description
The Browning 2BK57H is a cast iron, bushed V-belt sheave designed for use with classical A (4L) and B (5L) section belts. Featuring a 2-groove configuration, this sheave is built for reliable power transmission in HVAC systems, industrial drives, and general mechanical applications. It utilizes an H-style QD bushing system, allowing for secure shaft mounting and easier installation or removal compared to fixed bore sheaves. Engineered for durability and alignment stability, this sheave supports consistent belt tracking and reduced vibration in demanding operating environments.
Key Features
- Sheave Type: Bushed (QD style)
- Number of Grooves: 2
- Bushing Type Required: H Bushing
- Construction: Cast iron for strength and wear resistance
- Application: HVAC systems, fans, blowers, pumps, and industrial belt drives
- Mounting: QD bushing system for flexible shaft sizing and easier maintenance
- Design Benefit: Improves belt alignment and load distribution across multiple grooves






