| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing having identification data capable of being formed on outer surfaces of a first raceway ring and a second raceway ring of the bearing in a relatively short time without eliminating the identification data by rubbing, a method of managing the bearing capable of managing manufacturing processes of the bearing by using the identification data formed on the bearing, and a method of manufacturing the bearing capable of forming the identification data on a desired process position among the manufacturing processes of the bearing.SOLUTION: In a bearing having a first raceway ring, a second raceway ring, and a plurality of rolling elements disposed between the first raceway ring and the second raceway ring, identification data as different information for each bearing, is formed on an outer surface of the first raceway ring or the second raceway ring by a plurality of recesses, projections, or recesses and projections as a plurality of dots. |
