ProductDepict Idlersurfaceismadeupofelasticrubberring.Itisfittedatthefeedpointtoimpactthefallingcrashtotheconveyorbeltsothatpreventthebeltandidlerfromdamaging . Features: 1.Steadyrunning,reliablequalityandreducemaintenance; 2.Lessmovementlongitudinally,rotatingsmoothly,extendsthelifespan; 3.Variousbearinghousingandsealingstructureareavailableforthecustomerschoice; 4.Multipasslabyrinthinesealing,preventingthemixeddirtandwaterimmersed; 5.Manufacturingbysteelpipespeciallyforofhighprecisionroller,ensuringthestrongload,lowshakingandlessnoise.