In the working of rolling bearings for the blower of a turbine-generator unit in a power plant and the problem of injure and short life span in situation of vibration and temperature paramter under normal range are introduced.According to the actual working conditions of blower
the diagnostic opinions and proposed measures are given by the blowers load analysis
life expectancy calculation and lubrication analysis.It shows that the diagnosis conclusions are correct and the measures are effective for bearing life expectancy.