Some of the bars on our R23 are starting to get loose.  Bearings assemblies are original and I'm told "old style".  Vermeer gets $70 each for an update kit which is a bigger bearing and holder.  IH rakes used the same "old style" assembly and are available for $70 each.  I'd prefer to replace just the bearing and not the "assembly".  Anybody   done this and have a bearing number or source for an aftermarket option?  24 bearings total