Numerical solution of analysis model for angular-contact ball bearings

An analysis model of the high-speed angular-contact ball bearing with rotational outer race is presented. Centrifugal force, gyroscopic movement and effect of the elasto-hydrodynamic lubrication are considered in the model. Restrictions ensure that the equations solved by Newton-Raphson rapidly converges. Taking two bearings as an example, each race rotating respectively, the rotary speed and the radial load on bearing characteristics are studied. Results show that the higher the speed of outer race, the higher the stress, but the effect is not distinct while the inner race is in running; at the low speed, the stress of the outer race revolve is evidently lower than that of the inner race revolve, but it is opposite in the low radial load; the speed and radial loads have great influence on the micro-slippage. Finally, the model and the program verified by the results of Jones computer program are effective.