... Dia:60-219mm Length:150-3000mm Belt width:300-2800mm idler rollers conveyor idlers trough idlersStandard:DIN15207 DIN22107 ISO1537 GB10595 CEMA Diameter ... :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 ...