The McHale ARC00447 is a genuine OEM lower rear door small roller, specifically designed for a wide range of McHale round balers. This essential component facilitates the smooth and reliable operation of the baler's lower rear door. It is compatible with models including F5400, F540C, F5500, F5600, F560C, V640, V660, V890, V8940, F5400C Plus, F5500 Plus, F5600 Plus, F5600C Plus, Fusion 3, Fusion 3 Integrated, Fusion 3 Plus, Fusion 3 Pro, Fusion Vario, Fusion Vario Integrated, and Fusion Vario Plus. Technical specifications include an outer diameter of 40 mm, an inner diameter of 10 mm, a width of 20 mm, and a weight of 0.05 kg.