The McCormick 401716R3 is a genuine OEM planter disc bearing, designed for reliable performance in International Harvester seed and fertilizer planter units. This essential component ensures smooth operation and accurate seed placement, contributing to efficient planting. With an outer diameter of 400 mm, an inner diameter of 38 mm, and a thickness of 4 mm, this disc weighs 4.5 kg. It is a direct replacement for original parts 401716R2 and 401716R1, maintaining the integrity of your agricultural machinery.