... quality bearing 2.high precision,long life 3.low frictional,high speeds 4.single and double raw 1. Material:GCr15_China/ (AISI) 52100_American ... , 6200, 6300, 6800, 6900 Series, with ZZ, 2RS, OPEN available;3. Radial Play (Clearance):C2, C0, C3, C4, C5; 4. Tolerance ... . Packing: plastic tube packing or individual box packing DEEP GROOVE BALL BEARINGS