1. High speed support - Maximum speed support minimizes wear and protects bearings from early failures and breakdowns. These bearings are designed to withstand high pressure. 2. 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 not a problem for these bearings. 3. Easy to install. Pre filled and lubricated from the factory, it can be directly removed from the packaging for installation. The convenient outer ring screws simplify the installation process, reduce installation time, and eliminate maintenance troubles. 4. Product application: Ideal choice for rotating machinery such as electric motors, pumps, fans, generators, gearboxes, engines, etc. Commonly used in industry, automotive, agriculture, construction, and other applications.