Hub - Free Wheel Bearings Hubs Wheels - Accessories SKF Bike SKF is a company based in Sweden, which is world leader in manufacturing rolling bearings, seals, mechanical electronics, services and lubrication systems. Founded in 1907, SKF today has 105 production factories, which are present in every part of the world and whch are covered by the certifications ISO 14001, ISO 9000 and QS 9000, as evidence and guarantee of the high quality standards offered by the company.