Are abec 3 bearings better for tricks on a skateboard then abec 7?
Joe and PX are somewhat right but not complete. ABEC is not related to inline skating or skateboarding. It is a related to precision to prevent vibration in high speed machinery. It can have an indirect relation to quality in that people who make very precise bearings usually put some care into making them. I the early days of skating there were many companies that use “precision” bearings. Precision is an industry grade that basicly says that the bearings roll but can be sloppy or very poor. ABEC became a marker of good quality. Some of the best bearings by companies like Bones, ZeroDrag, andTwinCam were designed to be better rolling by deliberately violating the requirements of the ABEC ratings. The companies that sell ABEC rated bearings are not selling you factory “spare parts”. They may not have the ability to spend the money or skills to design their own bearings and have a bearing maker do the custom work for them. So they look for a bearing maker that has a stock bearing that f
