| abstract |
[57] [Problem] To be used under high temperature, high speed, and high load conditions, and even when subjected to water intrusion from the outside, there is no exfoliation accompanied by a change in white structure due to hydrogen, and long life rolling. Provide bearings. A cage (12) is provided between an inner ring (10) and an outer ring (11). A rolling bearing 1 in which a plurality of rolling elements 13 are rotatably held at substantially equal intervals via a through hole, and a grease composition containing a conductive substance in a ratio of 0.1 to 10% by weight is enclosed. |