The GREE 26152022 Ring of Bearing is an OEM mechanical support component used in GREE HVAC indoor units, particularly wall-mounted mini-split air conditioners. It fits around the cross-flow fan bearing to help maintain proper positioning and alignment while the fan rotates. By supporting the bearing assembly, it helps minimize shaft movement, vibration, friction, and operating noise. https://www.partshnc.com/gree-26152022-ring-of-bearing