mobile:86-13933884261 MSN:lhbbearing@hotmail.com miniature ball bearings,single row deep ball bearings,double row deep groove ball bearings,angular contact ball bearings,flange ball bearings,self-aligning ball bearings.with less coefficient of friction, high limiting speed, large size range and various structure. Features : Shield / closure: open ball bearing, Z, ZZ, RS, 2RS,2RZ Ball bearings snap ring: N, NR Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7 Vibration level codes: V4, V3, V2, V1 Internal clearance codes: C2, C3, C4, C5 Ball bearings material: AISI52100, AISI440C, AISI304, AISI316, ceramic Retainer: PTFE, nylon, PEEK or stainless steel Hardness for rings and balls: 59 - 63HRC Ball bearings bore size: 1 - 200mm Versions: Ball bearings with one or two side rubber seal RS, 2RS With one or two side metal shields Z and ZZ (2Z) With a snap ring groove in outer ring N With a snap ring groove in outer ring and external snap ring NR In different radial clearances C5, C4, C3, C2 Applications : Typical applications: electric motors, automotive applications, home appliances, industrial equipment. Catalog : Open type (Metric series ) Open type (Inch series) With rubber seals/steel shields type(Metric series ) With rubber seals/steel shields type(Inch series) With snap ring/snap ring groove Flange ball bearings(Metric series) Flange ball bearings(Inch series) mobile:86-13933884261 MSN:lhbbearing@hotmail.com