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Spallation seems to be the primary cause for IMS failures. Installing unsealed dual row ceramic bearings reduces it to nil. Although close, the same would be true for single row bearing installations if they had greater load carrying capacity.
So Walter what problem are you trying to solve here?
Are you trying to find a lower cost alternative to the IMS Solution which fixes the IMS problem for single row cars because it distributes dynamic loads over a very large area?
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