... idlers consists of idler shell, spindle, bearing, bearing house, seals equipment and axial fixed unites.Features: 1. Steady running, reliable quality ... longitudinally, rotating smoothly, extends the life span;3. Various bearing housing and sealing structure are available for the customers' choice;4 ... and less noise. Rollers,Idler,Idler Roller,conveyor roller bearing housing, labyrinth seals