Title:
ROLLER BEARING AND CAGE FOR ROLLER BEARING
Document Type and Number:
WIPO Patent Application WO/2022/065214
Kind Code:
A1
Abstract:
According to the present invention, the outer peripheral portion of a pocket surface (S) of each column portion (6) of a cage (4) is formed to have a tapered surface extending so as to become closer to the inside of the pocket (7) at a position closer to the outer diameter side. A pocket gap (a) being a dimension of a gap in the circumferential direction between a roller (3) and the pocket surface (S) of the column portion (6) and a radial-direction movement amount (b) being a distance by which the roller (3) can move in the pocket in the radial direction of the cage (4) have a relationship of (pocket gap a)<(radial-direction movement amount b).
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Inventors:
MAEDA TAKESHI (JP)
NASU KEISUKE (JP)
NASU KEISUKE (JP)
Application Number:
PCT/JP2021/034237
Publication Date:
March 31, 2022
Filing Date:
September 17, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/26; F16C33/46
Foreign References:
| JP2005069282A | 2005-03-17 | |||
| JP2011089589A | 2011-05-06 | |||
| JPS63297817A | 1988-12-05 | |||
| JP2006242284A | 2006-09-14 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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