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Old 02-27-2005, 05:02 PM   #1
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Default Acer Bearings

Ok,

I realize this has probably been posted elsewhere in this forum, but I have decided to purchase some acer bearings but can anyone explain this to me.

I ripped this off directly from the acer racing ball bearings page.

"This, in addition to a 50% higher modulus of elasticity than conventional bearings, and Grade 5 smoothness of the balls (contrary to popular belief the lower the Grade number a ball is, the rounder and smoother it is), produce a lower coefficient of friction at the ball-raceway interface,... "

What is this "grade 5 smoothness", and is it the same as the AEBC grading?

I recall there are 2 scales of grading, can anyone put into layman terms how all this stuff works??

Thanks.
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Old 02-27-2005, 05:35 PM   #2
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Default Re: Acer Bearings

Quote:
Originally posted by rcnewb2004
Ok,

I realize this has probably been posted elsewhere in this forum, but I have decided to purchase some acer bearings but can anyone explain this to me.

I ripped this off directly from the acer racing ball bearings page.

"This, in addition to a 50% higher modulus of elasticity than conventional bearings, and Grade 5 smoothness of the balls (contrary to popular belief the lower the Grade number a ball is, the rounder and smoother it is), produce a lower coefficient of friction at the ball-raceway interface,... "

What is this "grade 5 smoothness", and is it the same as the AEBC grading?

I recall there are 2 scales of grading, can anyone put into layman terms how all this stuff works??

Thanks.
Do a search...all your questions and more have already been answered in this forum!!
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