The John Deere AL172489 is a genuine OEM tapered roller bearing designed for king pin assemblies in a wide range of John Deere agricultural tractors. This high-quality bearing ensures smooth operation and durability, critical for steering and axle components. It features an inner diameter of 38.1 mm, an outer diameter of 73.025 mm, and a width of 22.225 mm, weighing approximately 0.3175 kg. Essential for maintaining optimal performance in 5E, 5M, 5R, 6M, 6R, and 7R series models, including specific models like 5075E, 5085E, 5090E, 5095M, 5100M, 5100R, 5115M, 5115R, 5125R, 6105M, 6110M, 6115M, 6120M, 6125M, 6130M, 6135M, 6140M, 6145M, 6150M, 6155M, 6170M, 6175M, and 6195M.