- XiKe 6004ZZ deep groove ball bearing with dimensions 20 mm inner diameter, 42 mm outer diameter, and 12 mm width - Made of chrome steel, offers high wear resistance and long service life - Equipped with double metal seal that protects against dust and dirt, reducing the need for maintenance - Factory pre-lubricated for optimal performance and lower friction - Suitable for multiple applications: DIY, 3D printers, industry, agriculture, garden machinery, motors, and generators - Efficient solution for power transmission systems and demanding mechanical equipment