... High Performance High Quality Deep Groove Ball Bearing Nsk 6001 1:No.1: Bearings ouchuan can supply you ... : 1).6000 Series: 606,607,608,609,6000,6001,6002,6003,6004 --- Open, ZZ(Steel Shields), 2RS ... 2RS, UG, 2RZ; 4).Other Non-standard Bearings as you required; No.2: ouchuan Bearing’s Specifications: ... and Zv3Precision RatingP0,P6,P5GreeseAs you requirement, such as SRL ,PS2, Alvania R12 and so on . ...