Lau 38259001 Bearing Ball Sealed 1 Inch (Pair) is a precision bearing set designed to support smooth shaft rotation in HVAC fan and blower assemblies. It works by reducing friction between moving components while the sealed design keeps out dust and contaminants, ensuring reliable performance and extended service life. These bearings are commonly used in air handlers, ventilation fans... https://www.partshnc.com/38259001-lau-bearing-ball-sealed-1-pr