This is an aftermarket replacement kingpin bearing, part number 58893NO, specifically designed for John Deere agricultural machinery. As a non-OEM alternative, it offers a reliable and cost-effective solution for maintaining the steering system of your tractor. This crucial component is a tapered roller bearing, engineered to support the kingpin within the steering axle assembly, enabling smooth and precise steering control. It effectively manages both radial and axial loads encountered during demanding agricultural operations. Featuring precise dimensions of 38.5mm inner diameter, 66mm outer diameter, and 19.6mm width, this bearing is manufactured to meet the functional requirements of the original part. It is compatible with various John Deere models, including the JD8410 and JD8410QQ, and serves as a direct replacement for OEM part numbers ATY10773A and 300084. By ensuring the kingpin rotates freely and securely, this aftermarket kingpin bearing contributes significantly to the overall handling, safety, and operational efficiency of your John Deere tractor. It's an ideal choice for those seeking a durable replacement part without the premium cost of an OEM component, ensuring your equipment performs reliably in the field.