Shaft grounding member for rolling bearing, and rolling bearing unit

Abstract

A shaft grounding member for a rolling bearing, the shaft grounding member being mounted on a rolling bearing unit including the rolling bearing in which one bearing ring is a fixed ring and the other bearing ring is a rotating ring, the shaft grounding member includes: a spring plate including an annular portion and at least one elastic portion that extends continuously from the annular portion in a radial direction, the spring plate being made of a thin plate of a conductive material; and a soft conductive member mounted on a surface of the elastic portion that faces the rotating ring or a rotating member to which the rotating ring is fitted. The soft conductive member contains a lubricant in advance, and is capable of abutting against at least a part of a surface of the rotating ring or at least a part of a surface of the rotating member.

Dependencies are inferred from the claim text.