The SKF S USA Spherical Roller Bearing 22238 CCK/C3W33 is a high-quality bearing made of steel, designed for industrial applications. With a bore diameter of 190mm and an outside diameter of 340mm, this bearing is durable and built to last. Manufactured in the United States, it is designed for efficiency and reliability in motion control systems. Additionally, it is important to note that this product may contain chemicals known to the State of California to cause cancer. Please refer to the California Prop 65 Warning for more information.