... plant,electronic power plant,wind power generation,other construction and industry machines or equipment...Dimensiond:10-1700 mmD:30 ... :· Includes three large categories: single-row angular, three-point, four-point and double-row angular contact· Single-row angular ball bearings ... in one direction· For axial load accommodation in both directions and bearings are arranged in pairs· Series: 70xx, 72xx, ...