Yep, square bearings are no fun at all! I tried to stretch one more trip out of a noisy serpentine belt idler pulley on my wife's Explorer, and ended up coming home on a rollback wrecker a few days ago. The bearing locked up and unscrewed the bolt holding the idler on!
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!