... .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 ... dustproof and waterproof.5.High accruate steel pipes ensure the rollers with low vibration and noise. BELT WIDE LL1L2DShaft dBearingB500190200220 Φ60Φ76 ...