Slewing Bearing, Cross Roller Bearings, Yrt Turntable Bearing manufacturer / supplier in China, offering 231.21.0875.013 Slewing Ring Bearing Road Machinery Backhoe Loader Gantry Crane Material Testing Machine Driller, I. 850.20.00. C Slewing Ring Bearing Internal Diameter 649.2mm Outer Diameter 848mm, 230.20.0900.013 Slewing Ring Bearing Outer Diameter 1048mm Internal Diameter 834mm and so on.