The John Deere AE21791 is a genuine OEM tapered roller bearing designed for heavy-duty applications in John Deere agricultural and construction machinery. This precision-engineered bearing features an inside diameter of 35 mm, an outside diameter of 72 mm, and a width of 17 mm, weighing 0.38 kg. It provides reliable support and reduces friction, ensuring optimal performance and longevity for various components in combines, tractors, forage harvesters, loaders, and more.