The John Deere AE11578 is a genuine OEM bearing designed for a wide range of John Deere agricultural machinery, including combines, cotton pickers, forage harvesters, windrowers, sprayers, and tractors. This essential component ensures smooth operation and reliable performance in demanding conditions. With precise dimensions of 40.64 mm length, 40.64 mm width, and 15.24 mm height, and a weight of 0.045 kg, it meets original equipment specifications for a perfect fit and long-lasting durability. Ideal for maintaining the integrity of your John Deere equipment.