If the pulley fits the hub and bolts on tight, the only other possibility is a bent pulley. Change it. There are two chances for straightening it- - - - -slim and none. Problem solved!
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!