The McCormick 3142880R91 is a genuine OEM ball bearing designed for various McCormick agricultural tractors, including models in the CX, MC, and MTX series. This precision-engineered bearing ensures reliable and smooth rotational movement within critical machinery components. With an inner diameter of 20mm, an outer diameter of 47mm, and a width of 14mm, it is manufactured to exact specifications for optimal fit and performance, contributing to the longevity and efficiency of your equipment.