Title:
円すいころ軸受
Document Type and Number:
Japanese Patent JP7303659
Kind Code:
B2
Abstract:
To provide a grease composition for a tapered roller bearing having superior bearing lifetime under a condition of high temperature and a condition of high load, and a tapered roller bearing in which the grease composition for the tapered roller bearing is filled. A tapered roller bearing 11 includes an inner ring 12 having a raceway surface 12a, an outer ring 13 having a raceway surface 13a and a plurality of tapered rollers 14, and a flange part of the inner ring 12 gets into sliding contact with the tapered rollers 14. Grease 16 is filled around the tapered rollers 14. The grease 16 includes a base oil, a thickener and an additive. A frequency in which a storage modulus, which varies depending on frequency, of the grease 16 becomes minimum is equal to 7 Hz or more.
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Inventors:
Ryota Kondo
Takayuki Kawamura
Takayuki Kawamura
Application Number:
JP2019086466A
Publication Date:
July 05, 2023
Filing Date:
April 26, 2019
Export Citation:
Assignee:
ntn corporation
International Classes:
C10M169/06; F16C19/36; F16C19/38; F16C33/66
Domestic Patent References:
| JP2007320987A | ||||
| JP2010059369A | ||||
| JP2006077056A | ||||
| JP10047361A |
Foreign References:
| WO2014102988A1 |
Other References:
潤滑油用基油・添加剤カタログ,BASFジャパン株式会社,[オンライン], [検索日 2020.06.26], インターネット:,Irgalube TPPT, Irgalube 349
Attorney, Agent or Firm:
Wake Hikari
Wake Misao
Satoshi Teramoto
Wake Misao
Satoshi Teramoto
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