Bionic SWISS Bearing 16/SET 8mm for skates

12 packBionic SWISS Bearing 16/SET 8mmBionic SWISS 8mm is considered our flagship of our bearing lineup, and for great reason.Our SWISS is not made in Switzerland nor do we want skaters to think that. "SWISS" bearings were the first bearings recognized in the roller marketplace as premium skate bearings. Since then several manufacturers have developed and engineered bearings to the specification and tolerances of the SWISS manufacturers.Bionic SWISS features deeper grooves, double honed races for smoother, faster and longer lasting bearings and cages made of Delrin®, a DuPont product.Delrin® acetal homopolymer combines lubricity and wear resistance with the stiffness and strength needed in parts designed to replace metal.Chemical resistance to fuels and solventsHigh fatigue resistanceESD safe and static dissipativeHigh strength and stiffness propertiesVery low water absorptionAnother important feature is the materials of which the inner and outer rings as well as the balls are made of.