The single row crossed roller bearing is composed of two seat rings,Website:http://www.86bearings.com, which design in compact structure and light weight, the clearance is small when assembly, so need high precision. The roller is 1:1 cross arranged, it can bear the axial force, tilting moment and relatively large radial force. It is widely used for hoisting, transportation, construction machinery, and the military products.Three types of this kind of slewing Bearing:A. Without Gear BearingB. External Gear BearingC. Internal Gear BearingBasic