Title:
CROSS ROLLER BEARING
Document Type and Number:
Japanese Patent JP2022191695
Kind Code:
A
Abstract:
To provide a cross roller bearing which improves moment load capability of a raceway surface at one side, to which a large load is applied, to achieve long life and high rigidity.SOLUTION: A cross roller bearing 1 includes: an outer ring 2; an inner ring 3; and multiple rollers 4. An outer ring raceway surface 5 includes a first outer ring raceway surface 5A and a second outer ring raceway surface 5B. An inner ring raceway surface 6 includes a first inner ring raceway surface 6A and a second inner ring raceway surface 6B. On a cross section along an axial direction AX, at least one of a feature, in which a first outer ring raceway surface length C1 which is a length of the first outer ring raceway surface 5A and a second outer ring raceway surface length C2 which is a length of the second outer ring raceway surface 5B are different from each other, or a feature, in which a first inner ring raceway surface length B1 which is a length of the first inner ring raceway surface 6A and a second inner ring raceway surface length B2 which is a length of the second inner ring raceway surface 6B are different from each other, is observed.SELECTED DRAWING: Figure 2
Inventors:
KATABUCHI KEITA
ITO HIDEJI
ITO HIDEJI
Application Number:
JP2021100076A
Publication Date:
December 28, 2022
Filing Date:
June 16, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/58; F16C19/34; F16C33/34
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office