bearings, then these ABEC 11 bearings are for you. 

Genuine ABEC-11 rated & certified and are double sealed to protect them from dirt and dust. The nature of scooting means that a lot of sideways pressure is applied to the ball bearings.

Specifically designed to withstand more of the pressures that scooting puts on bearings, so if you're serious about speed, or just want to glide forever then these are the bearings for you.