Title:
TAPERED ROLLER BEARING AND RETAINER
Document Type and Number:
WIPO Patent Application WO/2022/074862
Kind Code:
A1
Abstract:
Provided is a tapered roller bearing 1 including an inner ring 2, an outer ring 3, a plurality of tapered rollers 4 that roll on an inner ring track 21 and an outer ring track 31 while being in contact with these tracks, and a ring-like retainer 5B having a plurality of pockets 9 that accommodate the tapered rollers 4. The retainer 5B has: a plurality of first side faces 8a that respectively face outer peripheral surfaces 43 of the tapered rollers 4, which are accommodated in the plurality of pockets 9, from one side in the circumferential direction of the retainer 5B; and a plurality of second side faces 8b that respectively face the outer peripheral surfaces 43 of the tapered rollers 4 from the other side in the circumferential direction of the retainer 5B. The plurality of pockets 9 include: first pockets 9C in each of which the angle formed by the first side face 8a and the second side face 8b is a first angle θ1; and second pockets 9D in each of which the angle formed by the first side face 8a and the second side face 8b is a second angle θ2 that is smaller than the first angle θ1.
Inventors:
TANIGUCHI YOUZOU (JP)
Application Number:
PCT/JP2021/011768
Publication Date:
April 14, 2022
Filing Date:
March 22, 2021
Export Citation:
Assignee:
JTEKT CORP (JP)
International Classes:
F16C19/36; F16C33/46; F16C43/06
Foreign References:
| JP2009063102A | 2009-03-26 | |||
| JP2020060275A | 2020-04-16 | |||
| JP2019065880A | 2019-04-25 | |||
| JP2016169747A | 2016-09-23 | |||
| JP2002310163A | 2002-10-23 | |||
| US20140003757A1 | 2014-01-02 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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