Rubber shielded ABEC rated bearings
Moderately priced and super effective
 
Enuff bearings are high-quality and long-lasting; they provide smooth rolling and fast riding. Available in ABEC5, 7 and 9 as well as Swiss and Black versions. Standard skate bearings size which will fit all wheels including Skateboards, Scooters, Inline Skates, Quad Skates.
 
'ABEC' is the rating system that referes to the frictional load/spin.  The higher the ABEC number the faster the bearing is going to be.