Polymer Ball Bearing, Bearing Industry Number 608, Bore Diameter 8 mm, Closure Open, Outer Ring Width 7 mm, Outside Diameter 22 mm, Ring Material Polymer, System of Measurement Metric, Cage Material , Application Plastic Bearings, Ball Material Stainless Steel, Cage Material Grade Polyamide, Dynamic Radial Load Capacity 94 N, Includes Retaining Ring No