The SKF W 619/9 is a Deep Groove Ball Bearings, with a bore diameter (d) of 9 mm, an outer diameter (D) of 20 mm and a width (B) of 6 mm, and a unit weight of 0.008 Kg. Supplied by Wuxi Andge Bearing Co., Ltd. (AndgeBearing), a bearing manufacturer and exporter based in Wuxi, Jiangsu, China — OEM and custom bearings welcome, RFQ replied within 30 minutes on working days.