OS After Run Rituals

[EHaury at aol.com]

This is an excellent observation. While rust can certainly do in a ball 
bearing, by far most of the bearing failures we see are load failures. The larger 
the prop and higher the nitro the tougher it is on the rear bearing. As 
2-strokers have mostly downward loading on the bearing, they seem most critical. 
Interesting that the 3M Mintor folks have chosen a double row bearing for the 170. 


Does anyone have comparative load ratings for single and double row ball 
bearings of the same external dimensions? How about larger / smaller / more / 
fewer bearing balls in the same external dimension races? 

Earl
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