发明名称 |
Grease composition for bearings with improved heat-resistant acoustic life |
摘要 |
The invention provides a grease composition having (A) a lithium soap thickener, (B) as a base oil an ester type synthetic oil obtainable from an esterification reaction of trimethylolpropane with a fatty acid, and (C) (c-1) a 1-naphthylamine type antioxidant and (c-2) a diphenylamine type antioxidant, wherein the contents of (c-1) and (c-2) are 1.0 to 10 mass % in total, based on the total mass of the composition, and the ratio by mass of (c-1) to (c-2) is in the range from 30:70 to 70:30. |
申请公布号 |
US8722598(B2) |
申请公布日期 |
2014.05.13 |
申请号 |
US201213458011 |
申请日期 |
2012.04.27 |
申请人 |
AKIYAMA MOTOHARU;ENOMOTO YUSUKE;MATSUBARA KENICHIRO;KYODO YUSHI CO., LTD.;MINEBEA CO., LTD. |
发明人 |
AKIYAMA MOTOHARU;ENOMOTO YUSUKE;MATSUBARA KENICHIRO |
分类号 |
C10M105/34;C10M133/12;C10M169/04 |
主分类号 |
C10M105/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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