Quote:
Originally Posted by thom4782
James: if your 'gut' hypothesis were true, then failure rates of single and dual row bearings would be similar. They are not. Data submitted in the Eisen lawsuit showed single row bearings failed more than 8 times the rate of dual row bearings.
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One of us has missed the point. Since there is an eightfold increase in single row failures there has to be a heavily weighted variable, one might even hazard to say exponentially weighted in favor of the dual row bearing. Assuming the Porsche designers had not been pithed just before designing the single row ( A
distinct possibility), the bearing loads and speeds should pan out. As speed and loads should be accommodated, that would seem to leave lubrication. So what have I missed?
And Jake - I had no idea the 6204 was used in GM alternators! It's also used in mower decks.
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