This unique design features six larger diameter balls instead of the seven balls used in most 608 bearings. The advantage of this design is higher speed, greater strength and durability. Made in Switzerland.
Bones Super Reds Features Higher quality steel races, better quality and grade balls, and a superior surface finish. Single, non-contact, removable rubber shield for easy cleaning and less friction. High speed nylon ball retainer for greater strength and speed....View full product details