• Deep groove ball bearings model 6006zz with double metal seal. • Precision dimensions: 30 mm (inner) x 55 mm (outer) x 13 mm (width). • Made of high quality chrome steel with anti-corrosion treatment. • Pre-lubricated design ensures quiet operation and high rotation speeds. • High radial load capacity and support for moderate axial loads. • Double sealing system protects against dust, dirt and moisture. • Versatile use in industrial machinery, tools, appliances and vehicles.