ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,980, issued on Oct. 28, was assigned to NSK LTD. (Tokyo).

"Multi-row bearing and bearing unit" was invented by Takayuki Yabe (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a multi-row bearing, an inner ring raceway groove at one end portion in an axial direction is formed over groove shoulders on both sides in the axial direction with respect to a groove bottom, and an inner ring raceway groove at an intermediate portion in the axial direction is formed over a groove shoulder on one side in the axial direction from a groove bottom. In addition, an outer ring raceway groove at the other end portion in the axial direction is formed...