Title:
ANGULAR BALL BEARING RETAINER AND ANGULAR BALL BEARING
Document Type and Number:
WIPO Patent Application WO/2018/199285
Kind Code:
A1
Abstract:
This angular ball bearing retainer sandwiches a raceway surface (2a) with respect to an inner diameter surface of an outer ring (2), and has a retainer guide surface (2b) on one side in the axial direction and a counter bore (5) on the other side. A retainer (4) is a cylindrical shape having, in the middle in the axial direction, a plurality of pockets (6) for retaining rolling bodies (3). A weight increasing part (7) is provided extending further outward in the axial direction than a surface section to be guided (4a) which is to be guided by the guide surface (2b) of the outer ring (2) in the outer circumferential surface of the retainer (4). The outer circumferential surface of this weight increasing unit (7) constitutes a relief surface (7a) further separated from the inner diameter surface of the outer ring (2) than the surface section to be guided (4a).
Inventors:
HASHIZUME SHOHEI (JP)
Application Number:
PCT/JP2018/017177
Publication Date:
November 01, 2018
Filing Date:
April 27, 2018
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C33/38; F16C19/16
Domestic Patent References:
| WO2016125855A1 | 2016-08-11 | |||
| WO2007095901A1 | 2007-08-30 |
Foreign References:
| JPH07279950A | 1995-10-27 | |||
| JP2006342820A | 2006-12-21 | |||
| JPS4935742A | 1974-04-02 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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