IMPACT LOAD OF ROLLING BEARING UNDER FREE FALLING CONDITION

The elastic contact deformation energy of a rolling bearing is analyzed firstly. Based on the energy conservation law, the impact loads of the rolling bearing under its free falling condition are calculated. The energy distribution between the spring and the bearing is analyzed according to their rigidity ratio in the damping spring-bearing system. The calculated result shows that it is close to the engineering values and can be used as a reference to determine the impact load of bearings.