7211AC Angular Contact Ball Precision Bearing Discriptions: 1 High Accrucy 2 Long Last Time 3 High Reliablity We are an professional precision bearing manufacturer engaged in P4, P2 class, specialize in design and produce high-speed pecision machine tool bearings, special bearings, machine tool spindle bearings, special high-speed wire rod mill bearings We have been certified by quality management systerm in accordance with ISO9001: 2000. Our bearings are widely used in machine tools, metallurgy, aviation, automobile, railways and other industries. Most of our products are exported to Europe, America, Southeast Asia, Taiwan and other regions