A stovebolt cam does not have a "thrust bearing"- - - - - -there's a steel thrust plate that bolts to the front of the block that controls fore/aft movement of the cam. If that's what you need, send me a PM. Unless yours is badly worn, recycle the one on your present cam.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!