The McCormick 6677175A1 is a genuine ball bearing designed for various McCormick, Case IH, New Holland, and Steyr agricultural tractors. This essential component ensures smooth rotational movement and reduces friction in critical machinery applications. With an inner diameter of 40 mm, an outer diameter of 80 mm, and a thickness of 18 mm, it provides precise fitment and reliable performance for compatible models including McCormick CX, MC, and MTX series, Case IH JX and MXM series, New Holland T and TL series, and Steyr Kompakt models.