SPECIFICATIONS: 1,Oringnal ,CSL,SNEN,RKN BEARINGS 2,ISO9001-2000 PASSED 3,Packing:Tube/Box CSL PRODUCTS RANGE: 6000SERIES: 6000-6012 OPEN,ZZ,2RS,NR,UG 6200SERIES: 6200-6212 OPEN,ZZ,2RS,NR,UG 6300SERIES: 6300-6312 OPEN,ZZ,2RS,NR,UG 6800SERIES: 6800-6810 OPEN,ZZ,2RS,NR,UG 6900SERIES: 6900-6910 OPEN,ZZ,2RS,NR,UG CSL,SNEN,RKN BEARINGS SPECIFICATIONS 1,MATERIAL: GCR15,AISI52100,100GRC 2,GRADE:ABEC-1,ABEC-3,ABEC-5, 3,NOISE GRADE:Z2V2,Z3V3,Z4V4 4,CLEANRANCE:C0,C2,C3,C4 5,HAND FEELING:WITH VERY SMOOTH FEELING CSL,SNEN,RKN, BEARINGS APPLICATIONS POWER TOOLS MOTOR MOTORCYCLE PUMP TEXTILE MACHINES SPORT ENQUIPMENT OFFICE ENQUIPMENT HOPE WE CAN EASTBLISH GOOD BUSINESS RELATIONSHIP WITH YOU!!!