The Ariens Company 01583800 Lawn Tractor Spindle Housing Assembly connects the mower spindle to the deck assembly and supports proper blade operation. The assembly houses the spindle components and includes bearings and spacers for compatible lawn tractor and mower applications. It is designed for select Ariens and Gravely equipment and can be used to replace a worn or damaged spindle... https://www.wholetoolbox.com/ariens-company-01583800-lawn-tractor-spindle-housing-assembly/01583800.html