The Murray 7600138YP Kit Spindle Assembly supports the rotating blade system in compatible lawn mower deck assemblies. It provides the mounting and bearing support needed for the blade spindle to rotate during cutting operations. Proper spindle function helps maintain blade alignment and supports consistent mower deck performance. Replacing a worn or damaged spindle assembly can help ... https://www.wholetoolbox.com/murray-7600138yp-kit-spindle-assembly/7600138YP.html