Skateboard Bearings are engineered for the smooth functioning and quick rotation of the Skateboard Wheels.  Skateboard Wheels are mounted on its axle via two ball bearings. Skateboard Bearings are usually of the industrial standard "608" size and have a bore measuring eight mm.

Skateboard Bearings are usually made of Steel or Silicon Nitride. One need to do away with a common misconception that higher number of bearings is better for skateboarding.

 I-skateboards.com has most efficient Skateboard Bearings for your smooth ride.