... delivery 3)High precision,Long life Supply you High Performance High Quality Deep Groove Ball Bearing Nsk 6000 1:No.1: Bearings ouchuan can ... 6300,6301,6302 --- Open, ZZ(Steel Shields), 2RS, UG, 2RZ; 4).Other Non-standard Bearings as you required; No.2: ... TypeOPEN 2Z 2RS Z RSMaterialRing Material Chrome Steel ,Carbon steel,Stainless steelCage material Nylon ,steel , brass ClearanceC0,C2,C3,C4, ...