Stiffness analysis of pre-loaded hollow cylindrical roller bearings based on ABAQUS

Stiffness is an important parameter of pre-loaded hollow cylindrical roller bearing, but the traditional theory is not fit for this highly nonlinear problem. In order to find out the impact of hollow-ratio, interference magnitude and load on pre-loaded hollow cylindrical roller bearing´s stiffness, a kind of modern analysis software named ABAQUS was used to create the finite element model. The analysis results show that: the stiffness of pre-loaded hollow cylindrical roller bearing becomes small with the addition of roller´s hollow-ratio, and the variation is significant; the stiffness of pre-loaded hollow cylindrical roller bearing goes up with the increase of load and interference magnitude, but the gradients is small. The results provide reference for the design of pre-loaded hollow cylindrical roller bearing.