A slight bend in the bracket is not a bad thing IMHO. I thought about bushings in mine but so far it has not moved. Also keep an eye on your hitch head bolts, they will also losen as will the ball itself.
No man has a good enough memory to be a successful liar. Abraham Lincoln
2016 36FBTS Pinnacle
2016 F350, 6.7, 4x4, DRW, long bed
B & W Companion 5th wheel Hitch