... idler frame We can supply all kinds of idler.carrier idler,return idler etc.dia60,76,89 etc. belt conveyor idler frameCarring 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 ...