R188 stainless steel deep groove ball bearing for fidget spinner

Stainless Steel Bearings

In an attempt to improve performance of these bearings,are specially designed for competitive hand spinner enthusiasts. Competitive players sought out high ABEC bearings made of high grade materials such as stainless steel. The higher the ABEC rating, the lower the friction and smoother and faster roll. ABEC ratings are given in odd numbers only 1,3,5,7 and 9.