Lubricant composition, rolling bearing and variable-frequency motor

Lubricant composition, rolling bearing and variable-frequency motor

  • CN 104,350,136 B
  • Filed: 02/12/2013
  • Issued: 06/04/2019
  • Est. Priority Date: 03/23/2012
  • Status: Active Grant
First Claim
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1. the lubricant composition in a kind of enclosed variable-frequency motor rolling bearing, which is characterized in that contain:

  • It is 50~75mm comprising the dynamic viscosity at 40 DEG C2The base oil of the alkyl diphenyl base ether oil of/s andComprising making the mixed amine of the alkyl phenyl amine comprising ester ring type monoamine and atomic number of alkyl carbon 10~14 and being selected from by hexichol4,4 '"'"'-diisocyanate of methylmethane-, 2,4- toluene di-isocyanate(TDI) and 2,6- toluene di-isocyanate(TDI) composition group inDiisocyanate cpd reaction obtained by double urea compound thickener, and the thickener is in base oil and thickenerIt is 14~16 mass % in total amount, ester ring type monoamine and the mixing molar ratio of aromatic series monoamine are in the double urea compound60;

    40~80;

    20,The needle penetration of lubricant composition in the enclosed variable-frequency motor rolling bearing is 220~295.

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