HE SEAN IF YOU HAVE ACCESS TO A LATHE , YOU CAN REBUILD IT, HOWEVER BE READY FORA SMOKING MESS, THAT THING IS ENCAPSULATED IN RUBBER JUST LIKE THE SPRING HANGERS , IF YOU CAN GET IT COMPLETELY APART TO GET THE MAIN SHAFT OUT AND THEN REPLACE THE RUBBER BUSHING WITH A BEARIGN AT BOTH ENDS AND USE SEALED BEARINGS, SOME OF THOSE IDLERS CAME WITH A NUT ON THE TOP SIDE AND SOME ARE FLARED OVER, BUT IT WOUDL NOT BE TOO DIFFICULT TO REPLACE THE WHOLE THING WITH A TAPERED STYLE WHEEL BEARING AND A COUPLE OF SEALS OR MIGHT BE EVEN EASIER TO JUST MAKE A SPACER AND DROP IT DOWON INSIDE ON TOP OF A SEALED BEARING AND DO THE SAME ON THE TOP AND RECAP IT TO KEEP THE DUST OUT , IT WOULD PROBABLY LAST FOREVER THIS WAY.. JERRY