Bucket wheel excavators use VLU 200944 bearing 1048x834x56mm without teeth 

VLU 200944  slewing bearing is composed of two seat rings. It has compact structure, light weight, and four-point contact between steel ball and arc raceway. It can bear axial force, radial force and overturning moment at the same time. The construction machinery of rotary conveyor, welding manipulator, small and medium-sized crane and excavator can be selected. The outer diameter:1048mm,Inner diameter:834mm,Height:56mm, It is the light series bearing structure with internal teeth.