| 摘要 |
A cage for use in a rolling bearing made of low carbon steel for use in a rolling bearing comprising an outer ring, an inner ring and a plurality of rolling elements disposed rotationally between the outer ring and the inner ring and having pockets for retaining the rolling elements in an equi distribution in the rotating direction of the rolling element is constituted with a steel containing from 0.02 to 0.10% by weight of C and from 0.10 to 0.45% by weight of Mn, in which the hardness for the surface at least at a portion in contact with the rolling element is Hv 190 or more and the hardness for the inside is Hv 110 to 170, the cage for use in the rolling bearing described above being a high strength cage causing less deformation or fracture and having a stable performance.
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