US Patent Issued to AKTIEBOLAGET SKF on June 24 for "Low-friction tapered roller bearing and manufacture method thereof" (Chinese Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,372, issued on June 24, was assigned to AKTIEBOLAGET SKF (Gothenburg, Sweden).

"Low-friction tapered roller bearing and manufacture method thereof" was invented by Jinyan Lu (Yinchuan, China), Xiaoyu Zhang (Shanghai), Ya Wang (Shanghai) and Congying Wang (Quzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes providing a tapered roller bearing including an outer ring having a raceway surface, an inner ring having a raceway surface and a plurality of tapered rollers each having a rolling surface and a large end-face; optimizing a surface roughness of at least one surface selected from the following set of surfaces: the outer r...