Title:
EXTERNAL SURFACE GRIDING METHOD OF BEARING ROLLER AND ROLLER BEARING
Document Type and Number:
Japanese Patent JP2014202329
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce edge loads generated between a raceway ring of a roller bearing and shoulders of a roller.SOLUTION: By grinding a rolling face 3a of a bearing roller 3 and chamfers 8, 11 formed at shoulders 3b, 3c of both sides of the bearing roller so as to be smoothly connected to each other, smooth shapes of connecting parts 9, 12 between the chamfers 8, 11 and the rolling face 3a can be uniformly formed in the circumferential direction, and edge loads which are generated at the connecting parts 9, 12 between the rolling face 3a of the roller 3 and the chamfers 8, 11 during the operation of a roller bearing embedded with the roller 3 can be reduced.
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Inventors:
HIRANO HIDEKAZU
Application Number:
JP2013081061A
Publication Date:
October 27, 2014
Filing Date:
April 09, 2013
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/36; B24B5/01; B24B5/04; F16C19/38; F16C23/08; F16C33/64
Domestic Patent References:
| JP2008161997A | 2008-07-17 | |||
| JPH08320022A | 1996-12-03 | |||
| JPH0874858A | 1996-03-19 | |||
| JP2010014154A | 2010-01-21 |
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamata
Yaichiro Nakatani
Bunji Kamata
Yaichiro Nakatani
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