Caterpillar 1M-5514 Bearing Outer Ring Assembly

Caterpillar 1M-5514 is an outer race (outer ring) for a CAT roller bearing assembly, designed to mate with the corresponding inner components in Caterpillar drivetrain and transmission bearing stacks. The part is specified with an exact inner diameter of 134.793 mm, serving as the bore through which rolling elements engage the inner race. The outer race is equipped with a flange feature to provide secure mounting and alignment within compatible housings and assemblies used in CAT equipment. This 1M-5514 designation is listed by Cat Parts Store as the outer ring component for the referenced bearing configuration, making it the correct choice when a Cat bearing outer ring with this bore size and flange geometry is required. Users should verify compatibility with the specific CAT model and bearing stack to ensure proper fit and performance in the equipment where this outer race is specified. The Cat Parts Store lists this part under 1M-5514 for ordering through authorized Caterpillar channels.