Patent ID: 9599163
Date: 2017-03-21
CPC Classifications: F16C

Claim:
1. A bearing assembly, comprising: a bearing having an inner race and an outer race concentrically arranged and spaced apart by one or more bearing members about which the inner and outer races are relatively rotatable about an axis; an internal seal arrangement having at least one shroud extending between the inner and outer races and spaced apart along the axis from the one or more bearing members; a bearing housing; and an external seal arrangement having at least one external seal arranged axially outside of the bearing, the at least one external seal having at least three seal rings, at least two of the three rings in radially spaced relation to one other, wherein a first of the seal rings is in sealing engagement with the outer race, a second of the seal rings is in sealing engagement with the at least one shroud, and a third of the seal rings is in sealing engagement with the bearing housing.