... , machinery, mining industry, port.6.Size range: roller model:TK,DT,TD75bearing model:6204 6205 6305 6306 6307 6308 6310oroll diameter ... *63051536262403636 3133*63061287272533838 3194*63081889090654747 3Labyrinth seal Package conveyor roller DT bearing housing and labyrinth seal