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Title:
RETAINER FOR ROLLING BEARING AND ROLLING BEARING
Document Type and Number:
Japanese Patent JP2018204740
Kind Code:
A
Abstract:
To provide a rolling bearing in which heat generation is suppressed even during high speed rotation.SOLUTION: A retainer 5 includes: an annular first region R1 located between one end of the retainer 5 and each one end of a plurality of pockets 5C in an axial direction and continued in the circumferential direction; an annular second region R2 located between the other end of the retainer 5 and each other end of the plurality of pockets 5C in the axial direction and continued in the circumferential direction; and a plurality of third regions R3 for connecting between the first region R1 and the second region R2 in the axial direction. On an outer peripheral surface 5A including an opening end of the plurality of pockets 5C, a plurality of recesses 5D recessed with respect to the outer peripheral surface 5A are arranged. Part of the plurality of recesses 5D are arranged in the plurality of third regions R3. The remaining parts of the plurality of recesses 5D are arranged in the first region R1. The plurality of recesses 5D are arranged by having an interval with the plurality of pockets 5C in the axial direction and the circumferential direction.SELECTED DRAWING: Figure 3

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Inventors:
徳田 篤史
林 工
Application Number:
JP2017112533A
Publication Date:
December 27, 2018
Filing Date:
June 07, 2017
Export Citation:
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Assignee:
NTN株式会社
International Classes:
F16C33/38; F16C19/16; F16C33/66
Attorney, Agent or Firm:
特許業務法人深見特許事務所