The York S1-028-15471-000 1" Shaft Rubber Isolator Bearing is a vibration-dampening support component designed to stabilize rotating shafts and reduce mechanical noise in HVAC equipment. It works by combining a durable bearing with a resilient rubber isolator that absorbs vibration and minimizes the transfer of shock during operation, promoting smoother shaft movement. Commonly used i... https://www.partshnc.com/1-shaft-isolator-bearing