That close to the center of the hub, a little out-of-round won't hurt. I turn mine out on a lathe, so they're pretty close to round. I doubt if a +/- 1/16" or more would cause problems.
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!