Elevate your mechanical projects with these premium 685ZZ miniature ball bearings. Measuring a compact 5x11x5 mm, these high-precision bearings are ideal for applications where space is at a premium. The ABEC-7 rating ensures exceptional smoothness and high-speed operation, while the EMQ (Electric Motor Quality) construction delivers whisper-quiet performance with minimal vibration. The Z3V3 clearance specification provides outstanding durability and reliability under various operating conditions. These versatile bearings feature a robust steel construction with a sleek silver finish, making them perfect for hobby projects, robotics, small electric motors, and industrial equipment. The double-shielded (ZZ) design helps keep lubricant in and contaminants out, extending the bearing's service life. This pack includes 10 identical bearings, giving you plenty of spares for your projects or multiple installation needs.