Impact Troughing Idler 1. Life time:50000H 2. Standard:ISO,DIN.JIS,etc 3.Used in:Coal mine industry,cement Impact ... 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 ... Our products: Welcome you come to our company! Impact Troughing Idler