Patent ID: 11873863
Assignee: NTN CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. An insulating rolling bearing comprising:
an inner ring;
an outer ring;
rolling elements that are interposed between the inner ring and the outer ring; and
an insulating bushing that is fitted to an inner peripheral portion of the inner ring or an outer peripheral portion of the outer ring,
wherein:
the insulating bushing consists of a generally cylindrical metal base, and a resin layer formed on an inner peripheral surface or an outer peripheral surface of the metal base, and
the insulating bushing is fitted to the inner peripheral portion of the inner ring or the outer peripheral portion of the outer ring such that the metal base abuts on the inner peripheral portion of the inner ring or the outer peripheral portion of the outer ring, and
the insulating bushing is (A) a bushing that is fitted to the inner peripheral portion of the inner ring and is formed by the metal base on the outer diameter side and the resin layer on the inner diameter side, or (B) a bushing that is fitted to the outer peripheral portion of the outer ring and is formed by the metal base on the inner diameter side and the resin layer on the outer diameter side.