SEMEI 681XZZ Miniature Deep Groove Ball Bearings – Precision Performance for Demanding Applications
Engineered with high-carbon chromium steel for exceptional durability and smooth rotation, these bearings feature a hardened surface to resist wear and corrosion. The 1.5x4x2 mm compact design ensures seamless integration in tight spaces without compromising performance. Precision-ground raceways and polished steel balls minimize friction, delivering ultra-quiet operation and extended service life. Ideal for fingerboard wheels, miniature machinery, drones, and small-scale robotics where reliability and low noise are critical. Designed for high-speed applications, the deep groove structure supports both radial and axial loads, making it versatile for DIY projects, industrial tools, and hobbyist builds. Buy in bulk for unbeatable wholesale pricing – global shipping available for large orders. Upgrade your small-scale mechanics with SEMEI’s professional-grade miniature bearings.