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Ball/Roller Combination/Three Row Roller Slewing Bearing

Slewing bearing (also known as turntable bearing) is a rotational rolling element bearing than supports a heavy but slow turning or slow oscillating load in combination of axial, radial and moment loads. It is typically used for cranes, excavators, swing yarder, robotic arm, stacker reclaimer, windmill facing platform and other swing-required application.



One of the slewing bearing types  is ball /roller combined slewing bearing application. It is used for heavy axial loading with the eccentric rate less than 1.2, continuous rotating and long lifetime expected. RBA provides standard and custom slewing bearings with the bore diameter up to 5000mm with various steel alloy material and heat treatment.