"Dan, U.S. Air Force, retired" wrote in message
news:5R6ge.6000$aB.4725@lakeread03...
I'm playing with a mechanism that involves a piece of nylon rod rotating
inside an aluminum tube. Is lubrication required and if so what kind?

Dan, U.S. Air Force, retired

At what RPM. and what kind of loads will be on it?
--
Jim in NC