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Q:What does 7mm or 8mm mean about the bearings of skates

Q:What does 7mm or 8mm mean about the bearings of skates
Update Time:2019-04-19

A:Those refer to the inner diameter of the bearing and thesize of the axle its going on. Based on our SUN BEARING years of experience insupplying bearings most of the new skates use 8mm axles so the standard 8mmbearings would be needed.The older models, and high end skates use 7mm axles sothey would need the 7mm bearings.

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