... and rollers type. General steel idlers consists of idler shell, spindle, bearing, bearing house, seals equipment and axial fixed unites.Features: ... , rotating smoothly, extends the life span;3. Various bearing housing and sealing structure are available for the customers' choice; ... the strong load, low shaking and less noise. Rollers,Idler,Idler Roller,conveyor roller bearing housing, labyrinth seals