Importance

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Abstract

A bearing assembly fits over the journal at the end of a shaft and is clamped between a fillet at one end of the journal and an end cap which extends across the opposite end of the journal. The bearing assembly includes a double row tapered roller bearing having a two indirectly mounted cones, a double cup around the cones, and tapered rollers arranged in two rows between the raceways of the cones and cup. The bearing assembly also includes seal rings located against the cones and seals fitted into the end of the cup and cooperating with the seal rings to establish barriers at the ends of the bearings. The outboard seal ring is clamped between the end cap and the outboard cone, whereas the inboard seal ring is clamped between the inboard cone and the backing ring. A slight clearance exists between the inboard seal ring and the journal to prevent fretting beneath that seal ring due to slight flexures in the journal. The inboard seal ring fits into a bore on the fillet ring so the fillet ring maintains the inboard seal ring centered with respect to the axis of rotation.

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First Claim