Q:What does 7mm or 8mm mean about the bearings of skates
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- Issue Time
- Apr 19,2019
A:Those refer to the inner diameter of the bearing and thesize of the axle its going on. Based on our SUNBEARING years of experience insupplying bearings most of the new skates use 8mm axles so the standard 8mm bearings would be needed.The older models, and high end skates use 7mm axles sothey would need the 7mm bearings.
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