The John Deere JD9171 Bearing Cup is an authentic OEM component designed for various John Deere machinery. This bearing cup is engineered to precise specifications, with an outer diameter of 63.5 mm and a width of 17.46 mm, providing optimal fit and long-lasting performance in demanding agricultural and construction applications. It works in conjunction with a bearing cone to support radial and axial loads, crucial for smooth operation of axles, transmissions, and other rotating assemblies in models such as 4020, 7720, and 9400.