Title:
TAPERED ROLLER BEARING
Document Type and Number:
WIPO Patent Application WO/2024/079790
Kind Code:
A1
Abstract:
A tapered roller bearing 1 is provided with: an inner ring 2 having an inner ring raceway 21 on the outer circumferential side; an outer ring 3 having an outer ring raceway 31 on the inner circumferential side; a plurality of tapered rollers 4 that have a depression part 44 formed on a roller large end face 42 and are brought into rolling-contact with the inner ring raceway 21 and the outer ring raceway 31; and an annular retainer 5 that includes a small diameter annular body 6, a large diameter annular body 7, and a plurality of columns 8 for connecting the small diameter annular body 6 and the large diameter annular body 7 to each other, and has a plurality of pockets 9 formed in the circumference direction and accommodating the tapered rollers 4, wherein the large diameter annular body 7 includes a large diameter side face 7a that faces the roller large end face 42 of the tapered roller 4 accommodated in the pocket 9, the large diameter side face 7a has a recess 7b for storing a lubricant and a protrusion 11 protruding toward the depression part 44 from at least one of the inner side or the outer side from the recess 7b in the radial direction, and the protrusion 11 faces the depression part 44 with a gap therebetween.
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| JPH11280769 | ROLLER BEARING |
| JP2005090687 | BELT TYPE CONTINUOUSLY VARIABLE TRANSMISSION |
Inventors:
TANIGUCHI YOUZOU (JP)
Application Number:
PCT/JP2022/037915
Publication Date:
April 18, 2024
Filing Date:
October 11, 2022
Export Citation:
Assignee:
JTEKT CORP (JP)
International Classes:
F16C33/46
Domestic Patent References:
| WO2021039532A1 | 2021-03-04 | |||
| WO2019172447A1 | 2019-09-12 |
Foreign References:
| JPH08200376A | 1996-08-06 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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