The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2025
Filed:
Dec. 30, 2021
Bearingart, Gyeongju-si, KR;
Woon Ju Lee, Yongin-si, KR;
Hyo Jun Song, Incheon, KR;
Byung Su Ko, Yongin-si, KR;
Kyu Bok Kim, Seoul, KR;
BEARINGART, Gyeongju-si, KR;
Abstract
Provided is a pinion bearing that may be coupled to a pinion shaft of a vehicle. The pinion bearing may include at least one inner ring mounted on and coupled to a pinion shaft; an outer ring positioned outside the inner ring in a radial direction; and a plurality of rolling elements configured to rotatably support the inner ring relative to the outer ring. The outer ring may i a flange portion formed to extend outward in the radial direction, a first extension portion formed to extend from the flange portion toward a differential gear unit, and a second extension portion formed to extend from the flange portion toward an opposite side of the differential gear unit, and a heat dissipation fin(s) may be formed on the second extension portion to protrude outward in the radial direction.