Nils Extreme Bearings PURPLE CARBON 8 pcs ABEC-7 RS

Nils Extreme Bearings PURPLE CARBON 8 pcs ABEC-7 RS The ABEC 7 RS BLUE CARBON Nils Extreme bearings are made of high-quality carbon steel, ensuring excellent hardness and durability. They are characterized by the lowest rolling resistance, which translates into the highest speed in the American Annular Bearing Engineering Committee (ABEC) standard. A key parameter of this bearing is eccentricity, or the roundness of the inner ring, which is just 0.0025 mm. A specially designed metal-rubber cover protects the bearing from unwanted contamination. The bearing is intended for roller skates, skateboards, and scooters. Specification: Class: ABEC 7 Material: carbon steel Bearings in package: 8 pcs. Packaging: metal box Notes: Not intended for commercial use, 24-month warranty