1. Reduce replacement frequency - ultra durable, high-quality bearing design designed to survive in the harshest conditions, reducing maintenance costs and replacement frequency. 2. Double sided rubber seal - dual rubber seals on both sides protect ball bearings, ensuring their integrity and any structural structure they are fixed together. 3. The factory pre installed and lubricated bearings are easy to install and can be used immediately. The outer ring adopts convenient fixing screws, simplifying the installation process, thereby saving installation time and reducing maintenance troubles. 4. Multi functional applications: Very suitable for electric motors, pumps, fans, generators, transmissions, engines, and other rotating machinery. This bearing is the preferred solution for industrial, automotive, agricultural, construction, and other applications