Pure Swiss rated bearing:

« Premium quality bearing
« Surfaces polished to high Micron finish
« Deep race grooves for stability and speed
« Raceways and balls are made of high grade chrome steel
« Raceways and balls are heat treated and honed for maximum hardness and durability
« Lubricated with a synthetic speed lube which improves the bearing life
« Removable Stainless steel shields for easy maintenance
« Removable nylon retainer

Package consist of 16 Bearings and High Speed Lubricant/ 8mm Bearing Size