The Cub Cadet 918-06076A Spindle Assembly supports smooth rotation of the mower blade by connecting it to the cutting deck's drive system. It houses the spindle shaft and bearings, allowing the blade to rotate during mowing. Replacing a worn or damaged assembly can help reduce unwanted vibration and restore proper blade rotation. Check your Cub Cadet mower model and parts diagram to c... https://www.wholetoolbox.com/cub-cadet-918-06076a-spindle-assembly-6-17-dia/918-06076A.html