I'm cheap...anybody have any ideas for building some good turnplates for doing front end setups...what to use for a bearing has me stumped...want some kind of setup that will turn freely, but stay centered so as to make using a degree wheel for measuring turn radius remains accurate,,,,Good one's cost about $800...and they're too big for my scale platforms, need them to be no bigger then 14" X 14"...

Any ideas, mostly for a good bearing. Plates could easily be made from 1/2" aluminum plate and hold up under normal use, I think?????