This kind of Slewing bearing is one special type, it is made up by two Rings, one-row rollers and one row balls & Supports, with compact conformation, the roller bear the Axial load& the balls bear the Radial load and the rollers & balls bear the moment at the same time. It is the one new kind of Slewing Bearing.It often be used on heavy duty machines which require large working diameter, the Bucket wheel excavators, wheeled cranes, steel transporters, heavy duty mobile cranes, port equipments, etc. The dimension scope for Goldeng slewing ring is from 1000mm to 6500mm.