The John Deere JD9018 is a genuine OEM tapered roller bearing cone, precision-engineered to provide essential support and reduce friction in a wide range of John Deere agricultural and industrial equipment. This durable component is commonly utilized in critical rotating assemblies such as wheel hubs, transmissions, and other bearing locations, ensuring smooth operation and contributing to the longevity of shafts and machinery. With an inner diameter of 25.4 mm (1 inch) and an outer diameter of 50.8 mm (2 inches), it is designed for a secure fit and optimal performance in demanding environments.