| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing retainer capable of stably maintaining a rotation of a conveying roller or the like for a long period of time even under an environment that a condition of use is severe such as a high temperature. SOLUTION: A cylindrical rolling element retaining part 21 for retaining a rolling element of the rolling bearing is constituted of a mixed sintering material of a solid lubricant and a metal. Reinforcement parts 22 are provided at both ends of the rolling element retaining part 21 and are constituted from a metal material containing at least one of metal components of the mixed sintering material as a main component.
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