Abstract: A device for centering anti-friction thrust bearings, used in hermetic refrigeration compressors may comprise a cylindrical segment with an internal circular rim and an elevated step-like upper face over the circular rim and along an internal border of the circular rim. The cylindrical segment may sit in an internal housing of an axle inside a motor, and may be guided by an external diameter of an axle hub that fits over the anti-friction thrust bearing with the internal circular rim supporting a lower washer of the anti-friction thrust bearing. Essentially frictionless rotation of the axle within the bearing may be provided by eliminating most radial displacements of components of the anti-friction thrust bearing.