688-2RS 8x16x5mm Ball Bearings x 20PCS Chrome Steel for Machines and Tools, Deep Groove Ball Bearing [Double Sealed]

688-2RS 8x16x5mm Chrome Steel Ball Bearings. They are used to support radial and axial loads in both directions. Chrome steel bearing balls which have excellent surface quality, high hardness, good bearing capacity and good wear resistance. Suitable for all kinds of industrial machinery, DIY projects, tool repair, etc. Deep groove ball bearings - single row, pre-lubricated, normal accuracy.