Title:
ころ軸受
Document Type and Number:
Japanese Patent JP7468550
Kind Code:
B2
Abstract:
A generatrix shape to which crowning is applied includes a first generatrix shape which is formed in a central portion in an axial direction of at least one of an outer ring raceway surface, an inner ring raceway surface, and a rolling surface of a roller and is composed of a straight line, a pair of second generatrix shapes which are formed from both ends in the axial direction toward the outside in the axial direction of the first generatrix shape and are composed of a single arc curve, and a pair of third generatrix shapes which are formed from both ends in the axial direction toward the outside in the axial direction of the second generatrix shape and are composed of a composite curve of a single arc curve and a logarithmic curve.
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Inventors:
Tomonori Suwa
Kentaro Oguma
Yoshinori Maeda
Kentaro Oguma
Yoshinori Maeda
Application Number:
JP2021574735A
Publication Date:
April 16, 2024
Filing Date:
January 29, 2021
Export Citation:
Assignee:
Nippon Seiko Co., Ltd.
International Classes:
F16C33/34; F16C19/36; F16C33/58
Domestic Patent References:
| JP2012107702A | ||||
| JP2010164179A | ||||
| JP2010106975A |
Foreign References:
| WO2018190134A1 | ||||
| WO2018151209A1 | ||||
| WO2018047641A1 | ||||
| WO2018020951A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Eiko Office