Threerowrollerslewingringbearinghasthreeblocksfromtoptobottomandseparateradialraceway,makingeachrowrollercanbedeterminedexactly,whichcanbearavarietyofloadsatthesametimeanditsloadcapacityisthelargestoneamongthemodels.Becauseofthesizeoftheaxleandradius,itissturdyandespeciallysuitableforhe***ydutymachines,whichrequirelargeworkingradius,suchas***etwheelexc***ator,wheelcranes,shipcranes,ladleturret,he***ydutymobilecraneetc.Dimension:Innerdiameter:366mm-2868mm,outerdiameter:634mm-3432mmWeight:224Kg—6942Kg)