On Fri, 07 Sep 2007 22:26:57 +0000, Edward A. Falk wrote:

OK, folks, I'm curious as to where I should shop for such things.
Someone directed me to Hub City, but all I found there were bearings.
I tried Tractor Supply Co., but found even less.

Tell me, where can I go shopping for these basic parts?

Do you have McMaster-Carr in your country?

http://www.mcmaster.com/nav/enter.asp?pagenum=3251

Good Luck!
Rich