Bearing assembly with self-contained auxiliary seal

摘要

A roller bearing assembly having primary seals interposed between inner and outer races on opposite axial sides of the roller elements of the bearing assembly and at least one auxiliary seal on a axial side of said bearing assembly outwardly of a primary seal. The auxiliary seal includes a flexible annular sealing member mounted in fixed relation to the outer race for sealing contact with an outer perimeter of the inner race for providing an auxiliary barrier to the ingress of contaminants inwardly toward the roller elements.