... :Carrying idler, return idler, impact idler, centring idler, spiral idler, comb sharp clean idler, taper shaped idler, steel idler and so on.Selecting a idler, Confirming some parameters:Idler dia, Idler ... shaft dia, Idler tube thk, Idler length, Idler material.Standard: DIN15207, DIN22107, ISO1537, GB10595Certificate: ISO, CEType conveyor DTII, TD75,TR,DX.Bearing ...