This high-quality TIMKEN 05186 Tapered Roller Bearing Cup is a must-have for anyone in need of reliable mechanical power transmission. Made from durable steel and manufactured in the United States, this unit is guaranteed to provide exceptional performance. With its tapered roller bearing design, it is ideal for use in a variety of industrial automation and motion control applications. The unit comes with one piece per unit quantity and has an unknown bore diameter and outside diameter, making it suitable for a range of applications. Whether you're working in business and industrial settings or need bearings for your DIY project, this TIMKEN product is sure to meet your needs.