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Cooper bearing cartridges

The Cooper bearing cartridge is a component of the split bearing unit. It has a spherical outer surface that fits into a conforming surface in the housing in the form of a ball and socket joint. If any shaft misalignment is present, the cartridge, seals, and bearing stay together, maintaining the seals on an axis parallel to the shaft.

Without this feature, contact between the seal and the shaft is lost on one side when even small amounts of misalignment occur, and sometimes a gap may open. On the other side, the seal presses heavily against the shaft and wears quickly. As a result, the sealing effectiveness is compromised. However, with up to 2,5° permissible misalignment of the housings, extremely close tolerances can be maintained between the housing and the shaft resulting in an effective sealing element.

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