The John Deere JD8188 is a genuine OEM bearing cone designed for various John Deere agricultural, construction, and industrial equipment. This precision-engineered tapered roller bearing cone provides critical support and reduces friction in applications such as transmissions, axles, and wheel hubs. Manufactured to John Deere's rigorous quality standards, it ensures optimal performance, durability, and a precise fit, maintaining the integrity of your machinery's rotating components. It features a bore (inner diameter) of 31.75 mm, a cone width of 19.05 mm, and an outer diameter (large end) of 69.85 mm.