2005 Georgie boy pursuit slide rollers

Hi people new to the site so far loving it, I just bought a 2005 georgie boy pursuit with 2 slides the living room slide keeps shearing the bolt off I did some searching and found some problems fixed everything but noticed one of the rollers is egg shaped I have searched everywhere and can't seem to find any, they are steel and the only thing I can find are gear packs and mine has no gear (sorry for such a long post) so would anyone have an idea where I could find some might have to  buy a gear pack tossed away the gear. Appreciate any help you can give.