ABEC-7 CARBON bearings (8 pcs) NILS EXTREME 16-31-004

ABEC-7 CARBON bearings (8 pcs) NILS EXTREME 16-31-004 ABEC 7 CARBON Nils Extreme are bearings that are made of high quality carbon steel, providing excellent hardness and strength. It has the lowest rolling resistance which translates into the highest speed in the American standard Annular Bearing Engineering Commitee in short ABEC. An important parameter of this bearing is the eccentricity or roundness on the track in the inner ring and is only 0.0025mm. Bearing designed for roller skates, skateboards and scooters. Specification: Class: ABEC 7 Material: carbon steel Bearings in the package: 8 pcs. Packaging: blister