The Case IH 2978771 is a genuine OEM ball bearing designed for durability and precise operation in a wide range of Case IH agricultural and construction machinery. This high-quality bearing ensures smooth rotation and reduces friction, critical for the performance of transmissions, axles, and other rotating components. It is a direct replacement part, ensuring optimal fit and function for specified models, including various Maxxum, Puma, Optum, Magnum, Farmall, and Axial-Flow series machines. Replaces part number 87304677.