ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,212, issued on May 19, was assigned to NTN Corp. (Osaka, Japan).
"Shell type roller bearing" was invented by Makoto Fujimori (Shizuoka, Japan) and Sadatsune Kazama (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shell type roller bearing includes a shell outer ring that includes a cylindrical portion (12) and a flange (13) extending radially inward from one axial end of the cylindrical portion and that is made of an austenitic stainless steel material. One axial end portion of an inner peripheral surface (16) of the cylindrical portion (12) is a tilted surface (16b), the inner diameter of the tilted surface (16b) is larger than the ...