628/8R Miniature Deep Groove Ball Bearing 8×16×5mm For Precision Instrument & Robot Product Overview 628/8R is single row miniature deep groove ball bearing with flanged outer ring. Dimensions 8×16×5mm. The flange on outer ring helps axial positioning inside housing. It bears radial load and light bidirectional axial load, ideal for compact precision rotary equipment. *Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you fast. Key Specificati