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Old 07-26-2012, 11:27 AM
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airraptor
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Default RE: OS AX 46 needs more power

ORIGINAL: BiggerDanno

Higher ABEC ratings (numerically) do not mean that the bearing will spin faster nor with less drag. They are a tighter fit bearing with less clearance between the races and balls. Less clearance = more drag. Less clearance also means better precision and is why the highly rated bearings are used in precision instruments. It amazes me what some people will post!
BTW, I'm a mechanical engineer that specifies the correct bearings to be used in the machines that I design.

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