The MR2010-ZZ is a specialized single-row deep groove ball bearing designed for applications that demand a precise balance of space efficiency, low rotational friction, and reliable shielding. Measuring 10x20x6 mm, this component is fitted with dual pressed steel shields (ZZ) that form a highly effective barrier against dust, metallic debris, and other dry particulates. Unlike rubber-sealed bearings, the non-contact metal shields enable exceptional high-speed performance by eliminating seal drag, making it an optimal choice for high-RPM electric motors, bicycle hubs, and precision mechanical assemblies where factory-applied grease must be safely contained.