... technology 4.Open;Seal;Shield DEEP GROOVE BALL BEARING R3AModel No: Inch Bearing R3A1.Certificate: ISO9001: 2008;ISO14001:20042.Material ... ,Bike,Auto,Textile machine,Pump,Agricultural machinery,Machine tool...Products Range6000 series,6200 series,6300 series,6400 ... series,6800 series,6900 series,16000 series, and bearing cage.Quality GruanteeYou can replace or refund the products ...