Slewing Bearing, Cross Roller Bearings, Yrt Turntable Bearing manufacturer / supplier in China, offering XRU21040/G/X Roller Bearing Integral Inner Outer Rings with Mounting Holes, 232.20.0400.503 Roller Bearing Internal Gear Outer Diamater 518mm, Manufacture Inner Gear Flange Slewing Bearings I. 850.20.00. C and so on.