The 6004-ZZ is a Double Metal-Shielded Medium Series Deep Groove Ball Bearing designed for reliable high-speed operation in clean to moderately contaminated environments. Equipped with two non-contact steel shields (ZZ) on both sides, it provides effective protection against dust and debris while maintaining low friction and enabling high rotational speeds. With a 20 mm bore and a robust medium cross-section, this bearing is ideal for electric motors, automotive accessories, pumps, and industrial machinery where speed, durability, and contamination resistance are key.