dryer drum squealing loudly!

THIS UNIT IS A STACKABLE WASHER&DRYER,SO FIRST PULL UNIT AWAY FROM WALL ATLEAST 4 FOOT.UNPLUG POWER CORD,THEN TAKE10 DAGREE FRONT PANEL OFF THEN THE CONTROL PANEL OFF AND UNPLUG THE 5 CONNETORS IF YOUR UNIT HAS THAT MANY,THEN LAY PANEL ASSIDE.TAKE DRYER DOOR OFF,MAKES IT EASIER WHEN PUTTING IT ALL BACK TOGETHER.NOW TAKE FRONT PANEL OFF AND THE DRYER LENT TUBE,NOW JUST TAKE THE 3 CENTER PHILLIPS HEAD SCREWS OUT AND SLIDE DRUM OUT.PULL UPWARD ON WHAT THEY CALL THE SHAFT WHICH HELD DRUM ON.NOW THESE ARE THE PARTS YOU SHOULD ORDER.BELT,GROUNDING BALL CLIP,GROUNDING BALL,DRUM SUPPORT BEARING,BEARING BRACKET,AND MOST IMPORTANT PART IS THE SHAFT.THE SHAFT IS UR INSURANCE FOR THE WHOLE JOB.USE A GOOD GREASE LIKE WHITE LITHIUM GREASE AND COAT THE SHAFT END AND THE DRUM SUPPORT BEARING.THE GREASE WILL CUT DOWN ON FRICTION FOR A WHILE,AND RE ASSEMBLE THE WAY YOU TOOK APART.REMINDER GROUNDING BALL GOES BEHIND DRUM SUPPORT BEARING NOT IN FRONT.GOOD LUCK AND PLEASE VACCUM.