Importance

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Abstract

An annular ring used as either the outer race or the bearing race in a roller includes at least one annular recess in which is disposed an annular reinforcement body. The reinforcement body subjects the region of the annular ring radially inside the reinforcement body to mechanical stresses. The side of the reinforcement body oriented toward this region is materially joined or bonded to the ring. The annular reinforcement body preferably possesses an internal radius that is smaller than the internal radius of the recess and the reinforcement body press-fitted into the recess. According to one embodiment, the reinforcement body is poured in liquid form into the recess. The shrinkage of the reinforcement body that occurs during the cooling phase after solidification produces stresses as well. The manner in which the reinforcement body is introduced into the recess of the ring is preferably selected so that the radially inwardly oriented surface of the reinforcement body is joined materially to the outer ring so that the stresses generated in the reinforcement body, for instance as a consequence of the press fit, are transmitted to the outer ring. The material joining can be done by forging, welding, and friction welding, and possibly also by adhesive bonding if the stresses are not overly high.

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First Claim