Svenska Kullager fabriken AB Â (Swedish: Swedish ball bearing factory AB). SKF tapered roller bearings have the logarithmic contact profile that provides optimum stress distribution over the roller/raceway contacts in automotive bearings.As the world leader in developing new bearing technology for over a century, SKF has developed a unique understanding of rotating equipment and how machine components and industrial processes are interrelated. Today SKF provides a wide range of technologies and products to OEM and after market customers around the world, in every major industry, at each phase of the asset lifecycle.