The McCormick 663556R91 bearing is a genuine OEM component designed for various McCormick agricultural tractors, including models in the CX, MC, and MTX series. This high-quality bearing ensures reliable performance and smooth mechanical operation within the specified machinery. Engineered to meet McCormick's stringent standards, it provides essential support and reduces friction in critical moving parts, contributing to the longevity and efficiency of your equipment. It weighs approximately 0.5 kg. Confirm fitment with your specific McCormick CX100, CX105, CX110, CX50, CX60, CX70, CX75, CX80, CX85, CX90, CX95, MC100, MC105, MC115, MC120, MC135, MC80, MC90, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, MTX200 tractor models.