Estonianindustry.com

There are no definite standard rating guidelines for skateboard bearings. The most ordinary types of bearings are wheel bearings. Skateboards by distinct contrast, skilled skateboarders guess the precision of the bearings and recognize that the good ones fall under 3 or 5, by the ABEC system of rating bearings used in machines. These bearings can give you a soft ride but at the same time, they are tough enough to bear the impact when you jump on your board. But not all manufacturers consider the ABEC when producing skateboard bearings. Skateboard you would not really know their performance until you try them out yourself.