Patent ID: 11965555
Assignee: SKF AEROSPACE FRANCE S.A.S
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 16:
17. A rolling bearing comprising:
an outer ring;
an inner ring; and
at least one row of rolling elements disposed between two raceways of the outer and inner rings; wherein
the raceway of the outer ring and the raceway of the inner ring at least partially comprise a coating based on chromium nitride, the rolling elements at least partially comprising a second coating comprising carbon;
the inner ring comprises a retaining shoulder, a first machining undercut, a second machining undercut, and guide shoulder;
and the coating based on chromium nitride is disposed on a portion of the retaining shoulder, a portion of the guiding shoulder, all of the first machining undercut, all of the second machining undercut and all of the raceway;
wherein the hardness of the second coating is 10-15 GPa.