Title:
ROLLER-BEARING RETAINER AND ROLLER BEARING
Document Type and Number:
WIPO Patent Application WO/2023/182252
Kind Code:
A1
Abstract:
Provided are a rolling bearing retainer which has excellent heat resistance and with which satisfactory moldability can be realized even when the retainer is thick, and a rolling bearing using said retainer. A retainer 5 is an annular rolling bearing retainer formed by injection molding a resin composition and having a plurality of pockets 6 for retaining rolling elements, wherein the radial-direction thickness of an axial end surface 5a of the retainer 5 is 2.00 mm or greater, the resin composition has a polyamide resin as a base resin, and the polyamide resin is a copolymerized polyamide containing hexamethylene terephthalamide units and hexamethylene adipamide units as structural units.
Inventors:
HAYASHI TAKUMI (JP)
MATSUTANI YOSHIHIKO (JP)
NAKANISHI MASAKI (JP)
MATSUTANI YOSHIHIKO (JP)
NAKANISHI MASAKI (JP)
Application Number:
PCT/JP2023/010805
Publication Date:
September 28, 2023
Filing Date:
March 20, 2023
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C33/44; C08L77/00; F16C19/16
Foreign References:
| JP2021152394A | 2021-09-30 | |||
| JP2020111636A | 2020-07-27 | |||
| JP2021148250A | 2021-09-27 |
Attorney, Agent or Firm:
WAKI Hikaru et al. (JP)
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