Patent ID: 7201713

Claim:
A roller assembly for use in agricultural machinery, said assembly comprising, an exterior portion adapted to support a conveyor element, said exterior portion having a receiving hole about a central axis thereof and a groove in said receiving hole about the central axis; and a bearing sub-assembly positioned within the exterior portion about the central axis thereof, said sub-assembly comprising, at least one bearing; at least one sealing element positioned outboard of each side of the bearing, wherein said sealing element on one side of the bearing has an elastomeric sealing portion and the sealing element on the other side of the bearing is formed as an elastomeric plug with outward circumferential surfaces that are inclined with respect to one another and that intersect to form a point, wherein the groove in said exterior portion is adapted to receive the point therein; and at least one standoff also positioned outboard of the bearing, the standoff having groove positioned on an outer surface thereof, said groove being adapted to receive the elastomeric sealing portion therein.