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公开(公告)号:EP3272843A1
公开(公告)日:2018-01-24
申请号:EP16764799.9
申请日:2016-03-09
申请人: NTN Corporation
发明人: INOUE, Masaharu , WATANABE, Kazuhiro , IZUTSU, Tomoyoshi , KAWAMURA, Takayuki , AMARI, Hiroyuki , HASEGAWA, Minoru , NAKANO, Kouhei
IPC分类号: C10M169/02 , C10M105/04 , C10M105/36 , C10M107/02 , C10M115/08 , C10M125/10 , C10M129/58 , C10M137/10 , C10N10/02 , C10N10/04 , C10N10/12 , C10N20/00 , C10N20/02 , C10N30/00 , C10N30/02 , C10N30/08 , C10N30/12 , C10N40/02 , C10N50/10
CPC分类号: C10M169/00 , C10M101/00 , C10M105/04 , C10M105/36 , C10M107/02 , C10M111/02 , C10M115/08 , C10M125/10 , C10M129/58 , C10M137/10 , C10M139/00 , C10M141/12 , C10M169/02 , C10M169/06 , C10M2201/062 , C10M2203/003 , C10M2205/0285 , C10M2207/026 , C10M2207/16 , C10M2207/28 , C10M2207/2835 , C10M2207/2855 , C10M2215/064 , C10M2215/1023 , C10M2215/28 , C10M2219/044 , C10M2223/045 , C10M2227/06 , C10N2210/01 , C10N2210/06 , C10N2220/022 , C10N2220/028 , C10N2230/00 , C10N2230/02 , C10N2230/06 , C10N2230/08 , C10N2230/12 , C10N2240/02 , C10N2250/10 , C10N2210/02
摘要: It is an object of the present invention to provide a grease composition, for an outer ring rotation type rolling bearing, which is capable of satisfying all of high-temperature durability, low-temperature property, peeling resistance, and rust-preventive property. A grease composition (7) to be enclosed in the outer rig rotation type rolling bearing for use in automotive electric auxiliary machines contains base oil, a thickener, a peeling-resistant additive, a wear-resistant additive, and a rust-preventive agent. The base oil is mixed oil of trimellitic acid ester oil and synthetic hydrocarbon oil mixed therewith in a mass ratio of (70:30) to (90:10). The thickener consists of a diurea compound shown by a formula (1).
R 1 -NHCONH-R 2 -NHCONH-R 1 (1)
wherein a reference symbol R 2 denotes a divalent aromatic hydrocarbon group having a carbon number of 6 to 15, and a reference symbol R 1 denotes a cyclohexyl group.摘要翻译: 本发明的目的在于提供一种能够满足高温耐久性,低温特性,耐剥离性和防锈性的全部的外圈旋转型滚动轴承用润滑脂组合物。 用于汽车电动辅助机器的外部钻机旋转式滚动轴承中封入的润滑脂组合物(7)含有基础油,增稠剂,耐剥离性添加剂,耐磨添加剂和防锈剂。 基础油是偏苯三酸酯油和与其混合的合成烃油的混合油,其质量比为(70:30)至(90:10)。 增稠剂由式(1)所示的二脲化合物构成。 R1-NHCONH-R2-NHCONH-R1(1)其中参考符号R2表示碳数为6至15的二价芳族烃基,并且参考符号R1表示环己基。