About this product Reduce replacement frequency - ultra durable, high-quality bearing design designed to survive in the worst conditions, reducing maintenance costs and replacement frequency. High speed support - Extreme speed support minimizes wear and protects bearings from early failures and crashes. These bearings are designed to withstand high pressure. Super Durability - This ball bearing is made of chrome steel and can withstand severe impacts. It can also be installed on multiple machines, and metal fatigue is crucial for precision manufacturing; The inner and outer rings, spheres, shells, etc. all have very precise designs. This ensures concentricity and smooth frictionless rotation. Easy Installation Pre filled and lubricated from the factory, directly removed from the packaging for installation. The convenient outer ring screws simplify the installation process, reduce installation time, and eliminate maintenance troubles. Product Usage: Ideal choice for rotating machinery such as electric motors, pumps, fans, generators, gearboxes, and engines. Commonly used in industrial, automotive, agricultural, construction, and other applications.