The McCormick 6683786A1 bearing is a genuine OEM component designed for various McCormick X-series tractors, including X5.20, X5.30, X5.40, X5.50, X5.55, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680 models. This high-quality bearing features an inner diameter of 45 mm, an outer diameter of 85 mm, and a width of 19 mm, with a weight of 0.44 kg, ensuring optimal functionality and durability in demanding agricultural applications.