Steel vs Ceramic Bearing- Which One Really Spins Longer????

Here is a spin test with the same exact fidget hand spinners, one with a steel bearing and another with a hybrid bearing (ceramic balls w/ steel inner & outer ring). So what do you guys think should i redo this test with other ceramic bearings?
Subscribe for tons of giveaways too. Check out all my Giveaways Videos so far:
goo.gl/x6rCkf
FACEBOOK: / iluvtrading
INSTAGRAM: / iluvtrading
TWITTER: / virgilforex
MY WEBSITE: gphonecenter.com