MR84 Ceramic Hybrid Ball Bearing 4 x 8 x 3

MR84 (4mm x 8mm x 3mm)
These bearings are open (no seals) and the width is 3mm
Si3N4 high quality ceramic balls
Steel Inner & Outer Races

Why Choose Ceramic Ball Bearings ?
Our Ceramic bearings are simply one the best skate bearings on the market today. If you are looking for high performance skateboarding bearings that will be strong, fast, smooth and durable, then look no further. Our Ceramic 608 2RS bearings are lighter and provide faster acceleration because the balls weigh much less. They create less friction and are faster. Ceramic balls will not rust, further lengthening their life.