The Classen C100155 Aerator 1-3 Bolt Flange Bearing with Collar is designed to support smooth and stable shaft rotation in aerator equipment. This bearing assembly mounts securely using a three-bolt flange, helping keep the shaft properly aligned during operation. The integrated collar locks the shaft in place, reducing movement and minimizing wear caused by vibration and load stress.... https://www.wholetoolbox.com/classen-c100155-aerator-1-3-bolt-flange-bearing-w-collar