... -end technology 4.Open;Seal;Shield DEEP GROOVE BALL BEARING R3AModel No: Inch Bearing R3A1.Certificate: ISO9001: 2008;ISO14001:20042.Material: Chrome ... .19600.15 .0061.31 0.49Seals Types ZZ, Z, 2RS, RS, RZ, 2RZ,OPENVibration level Z1V1,Z2V2,Z3V3Clearance C2, C0,C3 ... series,6700 series,6800 series,6900 series,16000 series, and bearing cage.Quality GruanteeYou can replace or refund the products because ...