These precision-engineered 685ZZ miniature ball bearings deliver reliable performance for your mechanical applications. Each bearing features a robust carbon steel construction and metal shielding for protection against debris and contaminants. With dimensions of 5x11x5mm, this versatile 5-piece set provides smooth, high-speed operation while maintaining strong load-bearing capabilities. The metal shields on both sides help retain lubricant and extend the bearing's operational life. These bearings are ideal for various home hardware projects and small mechanical devices where precise, low-friction movement is essential. The high-quality construction ensures consistent performance under regular use, while the standardized sizing makes them perfect for replacement parts or new builds. Whether you're working on a DIY project or need reliable bearings for mechanical equipment, this set delivers the durability and smooth operation required for successful implementation.