The McCormick 336917 bearing is a high-quality replacement part designed for various International Harvester agricultural machinery. This essential component features an inner diameter of 40mm, an outer diameter of 80mm, and a width of 18mm, ensuring precise fitment and optimal performance. It is crucial for reducing friction and supporting rotational parts, contributing to the longevity and efficiency of your equipment. This bearing is an OEM equivalent to 336917R1 and 336917R91, guaranteeing compatibility and reliability for models such as the IH 453, 553, 654, 743, 744, 745, 844, 845, 946, 1046, 1246, 1055, 1255, and 1455 series tractors.