ball bearing 6003 1.matrial:GCR15,plastic, 2.ISO 9001 ... order) Ball bearing 6204Dimension20*47*14mmMaterialGcr15Tolerance GradesP0(ABEC-1),P6(ABEC-3),P5(ABEC-5)Clearance GradesC2 ... V3Sealing/ShieldOpen UG,Z,ZZ,RS,2RSother range: 1)60 series:60460560660760860960006001600260036004600560066007600860096010601160122)62 series:62462562662762862962006201620262036204620562066207620862096210621162123)63 series ...