On 9-Jul-2005, "Upscale" wrote:

wrote in message
news:McqdncuFT8L3cFLfRVn-

I've seen these casters that simply a rubber ball in a
steel
housing with a plate for attaching. There are probably
some
ball bearings fit in that housing somehow as well.

They're called hood casters.
http://www.leevalley.com/hardware/pa...36&cat=3,51976

actually those are the ones that I don't want. What I'm
referring to is pretty much a symmetrical unit and there's
no axle to the wheel. It just sits in the housing and
rotates however it needs to.

thanks for the info though
ml