ZKL Ball Bearing is a high-quality industrial bearing that is designed to meet the demands of various industrial applications. This ball bearing is made of durable stainless steel material that ensures its longevity and performance. With a size of 5.5 inches and a double-row design, this ball bearing is perfect for heavy-duty applications that require high load capacity and precision. The sealed design of this ball bearing ensures its protection from dust, dirt, and other contaminants, making it suitable for harsh environments.