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Summary: ABEC, the Annular Bearing Engineers Committee, rates skateboard bearings by tolerance and speed with ratings of one, three, five, seven or nine. Find out how bearings on a skateboard are rated with advice from an experienced skateboarder in this free video on skateboard equipment.
Chris Green is a skater born and bred in Los Angeles. When he was younger, he was getting flow from NikeSB, but he then had to cool it down when he injured his knee and had to get...read more
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"So how does ABEC rate skateboard bearings? Well, ABEC stands for Annular Bearing Engineers Committee and the rating actually classifies different satellite categories of tolerance and speed. So there are five different ratings in an ABEC scale. It's one, three, five, seven and nine, this is an ABEC five. The ABEC rating for bearings done by the following for 608 size bearing. How close the board is to 8 millimeters in microns, how close the outer diameter is two to twenty two in microns? How close the width is to seven millimeters in microns? The rotating accuracy in microns. Both ABEC and ISO which the International Organization for Standardization, are used in the bearing industry. But skateboarding manufacturers have decided to adopt ABEC. The ABEC rating really doesn't affect the speed you're bearing, unless you're skating about 330 miles per hour. Then something above an ABEC one will affect your performance. What does affect your speed is lubrication, which can use grease or oil for it, which ever works."
eHow Article: How Does ABEC Rate Bearings?
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