The Classen C100248 Aerator Bearing is a mechanical support component used in compatible aerator equipment. It supports rotating parts within the machine, helping maintain proper alignment and allowing connected components to move smoothly during operation. By reducing friction between moving surfaces, the bearing contributes to the function of the aerator's mechanical assembly. Repla... https://www.wholetoolbox.com/classen-c100248-aerator-bearing/C100248.html