The McCormick 339521X1 is a genuine OEM bearing designed for various McCormick agricultural machinery, including CX, MC, MTX, T, and X series tractors. This high-quality bearing features precise dimensions of 30mm inner diameter, 72mm outer diameter, and 18mm width, ensuring a perfect fit and reliable performance. It is crucial for the smooth and efficient operation of critical components within your equipment, reducing friction and supporting rotational parts. Manufactured to McCormick's stringent specifications, this bearing guarantees durability and longevity in demanding agricultural environments. It is also cross-referenced as an equivalent for Case IH applications.