Now this might sound silly but bare with me .We usually pack say a wheel bearing just full of grease .However when they pack a precision bearing for a high speed machine spindle they blow every bit of grease out .
This is how it was explained to me .Whatever amount the balls or rollers will...
The things had chit packed in the needles about the consistancy of candle wax .I could tell it was a mixture of grease and grit . I'm not preaching don't lube but how many of us pull the bearings occasionally to check them out .I'll bet very few .
The problem with lubing any bearing which does not have a seal is the fact the grease or oil will attract bits of dust or wood fibers which actually makes it worse .It's one of those subjects often debated as weather to lube or not to lube .Same with the bar nose roller .I don't myself but...
Oh it just happens sometimes . Toms idiots ran one without the bearing ,washer or e-clip .I have no idea why it didn't break the crankshaft but it did break two out of three clutch shoes .Stranger yet why it didn't throw the rim .
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