A welding shop with some "hard-facing" rods can build up the worn area, and the repaired area can be brought back to original size on a lathe with carbide cutter bits and a tool post grinder. That might be simpler, and possibly less expensive than finding a serviceable replacement 60-somrthing years old.
Jerry

Looks like Kevin and I had the same idea- - - -he's just quicker at the keyboard.

"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!