The MTD 68705226 Blade Hub is an original equipment manufacturer (OEM) part designed for various MTD, Cub Cadet, and Troy-Bilt lawn mowers. This essential component secures the mower blade to the engine crankshaft, facilitating proper blade rotation and efficient cutting. Constructed from durable materials, it ensures reliable performance and longevity. Replace a worn or damaged blade hub to maintain optimal mower function and safety.