... GEO/MITSUBISHI - Other reference numbers: A5T22971B/A5T22997B1, The material of inner rings, outer rings and balls are adopted high purity ... the outer rings of bearings so that can insure the reliability of the bearings’ fixed position4, The material of cage has got ... heat-resistant5, Sealing structure and seals have the traits of high sealing ability, heat-resistant, abrasiveness and also can ...