This is a high-quality Timken tapered roller bearing cup, model 522, made in the United States. It has a single cup design and measures 4.0000 inches in outside diameter and 1.0625 inches in width. This product is perfect for use in various industrial applications, such as in mechanical power transmission and industrial automation & motion controls. It is also suitable for use in bearings and bushings, particularly in ball and roller bearings. 522 TIMKEN TAPERED ROLLER BEARING CUP, SINGLE CUP, 4.0000 in OD, 1.0625 in WIDTH.