According to the former and further technical innovation required by Inspecting and Test Center of ZWZ Group Corp, the paper introduced failure diagnosis hardware system and realization of bearing fatigue life test. From the view of field application, Intelligent Graduate Scholl of Dalian Maritime University inspect the roll bearing online by using computer, internet and auto-inspecting technology, and diagnose the failure by using data collected from the field. Through large number of trials on bearing tes...