• Pack of 4 deep groove ball bearings model 6005zz. • Dimensions of 25x47x12 mm for use in machinery and tools. • Made of high-quality chrome steel with anti-corrosion treatment. • Double metal sealing system that protects against dust and moisture. • Pre-lubricated operation for smooth and quiet rotation. • High capacity to withstand radial loads and moderate axial loads. • Ideal for 3D printers, lathes, milling machines, and appliances.