Thanks! So you just bolted the bearings with some washers and a nut on the inside of the angle iron attached to the fridge and then the frame is angle as well with little welded tabs that attach to the top of the cargo boxes? Any long term wear or things you'd do differently? This is a great little project... I'm learning to weld and this will be fairly easy to pull off with my skills, or lack there of.@mookamatook give the bearings 1/8 of room above the bearings