... 16000 SeriesMaterial: Bearing SteelBore:105-360mm Out Diameter:160-540mmmmNumber of Row: Single RowOther: high hardness, good wear resistanceSurface: ... Location Our factory is located in Liaocheng City of Shandong Province, in the West of Shandong City .Our main products are deep ... low noise , and non-standard deep groove ball bearings. The main series we produce are 6000, 6200, 6300,6400, 6800 , ...