We are the biggest ZWZ agents.ZWZ, the most famous bearing brand in Chinahas sold around the world and gained many high praises.1. Model: 6000,6100,6200,6300,6400 series etc2. Precision: P0, P6, P5, P4 3. Material: GCr15 or GCr15SiMn 4. Clearance: C1, C2, C0, C3, C45.Sealing form:Z,RZ,RS,ZZ,2RZ,2RS6. ISO/TS16949 approved7. Feature: High..