608ZZ 3D Printer miniature ball bearing

The 608ZZ is a deep groove ball bearing fitted with metal shields on both sides (ZZ) . These non-contact metal shields help protect the bearing against dust and debris while allowing high-speed rotation with low friction. With an inner diameter of 8mm , outer diameter of 22mm , and width of 7mm , the 608ZZ is a standardized and widely adopted bearing in many industries. It is typically made from chrome steel (GCr15) , offering high strength and wear resistance, though stainless steel versions are also available for corrosion-sensitive applications. The bearing is pre-lubricated with grease for long-term operation and low maintenance. The deep groove design allows the 608ZZ to support both radial loads and limited axial loads in both directions, making it highly versatile.