Title:
RETAINER FOR BEARING
Document Type and Number:
Japanese Patent JP2018054006
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To keep lubricity of an end face of a cylindrical roller and a pocket inner face.SOLUTION: A retainer for a bearing has a pair of annular portions 11, and a plurality of pillar portions 12 connecting the pair of annular portions 11 and disposed in a circumferential direction. Pockets 13 are respectively disposed between the adjacent pillar portions 12 and the pair of annular portions 11, 11, and a plurality of rollers 4 rollably disposed between an inner ring 2 and an outer ring 3 are retained in the pockets 13 at intervals in a circumferential direction. The pockets 13 have oil grooves 14 on both sides of an inner face directed to an axial direction. The oil grooves 14 are extended radially outward from inner peripheral faces of the pair of annular portions 11, and recessed outward in an axial direction, and have inlets 14a formed on the inner peripheral faces of the pair of annular portions 11, and outlets 14b formed on the inner faces directed to the axial direction of the pockets 13.SELECTED DRAWING: Figure 2
Inventors:
ITO YUICHI
Application Number:
JP2016189940A
Publication Date:
April 05, 2018
Filing Date:
September 28, 2016
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/46; F16C19/26; F16C33/66
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Bunji Kamada
Yaichiro Nakatani