The Browning AX52 54.2" OD Gripnotch Belt is a high-performance drive belt designed for efficient power transmission in HVAC systems. Its notched construction improves flexibility and grip, allowing smoother operation and reduced slippage under load. Commonly used in air handlers, rooftop units, and industrial fans, the belt supports reliable motor-to-fan performance. https://www.partshnc.com/542od-gripnotch-belt