8G4189 Bushing, self aligning End Fits CAT D5H XL, D5H LGPOne New Aftermarket Replacement Self Aligning End Bushing for Caterpillar (Cat) D5H Crawler Dozers This spherical plain bearing (self aligning end bushing) is a suspension component used in the equalizer beam end mount on Caterpillar (Cat) D5H XL and D5H LGP track type crawler dozers. Two bushings are used per machine and are secured in place with snap rings. The self aligning design accommodates angular misalignment, reducing wear at pivot points in