Engineered for reliable, long-lasting operation, the 6021-ZZ is a premium single-row deep groove ball bearing featuring dual metal shields. Designed as part of the 6000 extra-light series, it offers an excellent balance between space-saving dimensions and robust load-carrying capacity. With a 105 mm bore and a 160 mm outer diameter, this bearing is pre-lubricated with high-quality grease at the factory, making it an ideal "install-and-forget" solution for applications requiring protection against dust, dirt, and other external contaminants.