Title:
CAGE AND DEEP GROOVE BALL BEARING
Document Type and Number:
WIPO Patent Application WO/2023/189465
Kind Code:
A1
Abstract:
Provided is a crown-shaped cage entirely made of a resin material, in which a diameter D of a steel ball (4) stored in a pocket (9) is 13 to 18 mm, a thickness t from the bottom of the pocket (9) to an end surface of an annular part (5) on another side thereof in an axial direction is 10 to 20% of the steel ball diameter D, and an axial length HB of claws (8a, 8b) of a horn part (6) is 60 to 80% of the steel ball diameter D. When the tensile strength of the resin material is σ, a cross-sectional area A of a portion between adjacent pockets (9) in a circumferential direction is set within a range given by the following expression. A > (511D – 4027) / σ
Inventors:
WAKUDA TAKAHIRO (JP)
MUNEYOSHI MASAKI (JP)
HATA KOYOMI (JP)
SAKAI KOHEI (JP)
MUNEYOSHI MASAKI (JP)
HATA KOYOMI (JP)
SAKAI KOHEI (JP)
Application Number:
PCT/JP2023/009524
Publication Date:
October 05, 2023
Filing Date:
March 13, 2023
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/06; F16C33/41; F16C41/04
Foreign References:
| JPH02132125U | 1990-11-02 | |||
| JP2016148393A | 2016-08-18 | |||
| JP2008128448A | 2008-06-05 | |||
| JPH07197936A | 1995-08-01 | |||
| JP2009541687A | 2009-11-26 | |||
| JP2017053229A | 2017-03-16 | |||
| JP2008202781A | 2008-09-04 |
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
Download PDF:
Previous Patent: SPATIAL DESIGN SYSTEM, SPATIAL DESIGN METHOD, AND PROGRAM
Next Patent: METHOD FOR SUPPRESSING DETERIORATION OF FLAVOR
Next Patent: METHOD FOR SUPPRESSING DETERIORATION OF FLAVOR