Review on CJESLNA Precision Bearings Skateboard Longboard by Mark Sutovsky

Good bearings. I bought them about 6 months ago to make spinners. Finally got around to it today. I removed the caps with a utility knife and soaked them twice in 91% isopropyl alcohol and they still didn't spin very long. I made some simple spinners out of hardware store nuts and CA and then sprayed them with WD40 and now I can spin them for about 15-20 seconds. So it's still not impressive, but not bad. Keep in mind that they are listed as ABEC 9 bearings but are actually ABEC 7 based on the bearing caps. Also, you can feel them rattle a bit so the rotation isn't perfectly smooth and they're a bit noisy.