NBC Ball Bearings are specially designed for industrial usage with double row configuration. These ball bearings are made of high-quality stainless steel material that ensures durability and long-lasting performance. The sealed seals type provides additional protection against dust and other harmful particles. With a size of 5 inches, these ball bearings are perfect for applications that require high precision and smooth operation. The double row design provides additional stability and reduces the chances of bearing failure. NBC Ball Bearings are ideal for use in heavy-duty machinery, automotive, and other industrial applications.