This genuine McCormick 3387343M1 bearing is a high-quality replacement component designed for various McCormick and Case IH agricultural tractors. Featuring an inner diameter of 40 mm, an outer diameter of 80 mm, and a width of 18 mm, this robust bearing ensures smooth operation and durability. It is compatible with McCormick CX, MC, MTX, and XTX series, as well as Case IH MXM series tractors, providing reliable performance for critical machinery applications.