1.Key Specifications/Special Features: 30300 series, 32000 series, 32300 series 30200 series, 31300 series, 32200series 2.All inch series available 3.Accuracy: tolerance from US ABEC-1---ABEC-7 ISO P0-P6 4.Low noise: z1--z3 at accelerated velocity value and zv1--zv3 at velocity value 5.Working life: according to ISO/TS16949: 2002 International Quality System Certificate 6.Primary Competitive Advantages: We OEM for Wanxiang(OEM for GM) and INA FAG Quality Approvals 7.Customers' Drawings Accepted