Roller Bearings vs Ball Bearings which is faster & smoother?

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Wolf7

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Jul 11, 2006
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Roller Bearings vs Ball Bearings which is faster & smoother?
Roller bearings have maximum contact area & more stable support for the blade to glide on.
Ball bearings have minimum contact area & less friction so blade kind of floats on them.
Which is faster and smoother?
Anyone has both versions to compare, maybe someone who has Shiro's with both types to compare?

I know there is mathematical scientific difference BUT in actual practical use, when you handle knives, can you tell the difference in opening performence?
 
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A doubt the friction of such a small linear motion bearing in a rotational motion application would be perceivable to an untrained human.
 
First off let me say I have no experience with roller lin style bearings. What I hear though is they are not as smooth as ball bearings. I have absolutely no right to comment though.
 
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