Grease composition and grease-packed rolling bearing

Grease composition and grease-packed rolling bearing

  • CN 103,403,137 A
  • Filed: 03/05/2012
  • Published: 11/20/2013
  • Est. Priority Date: 03/04/2011
  • Status: Active Application
First Claim
Patent Images

1. a grease composition, is characterized in that,The grease composition that contains thickening material, base oil and rust-preventive agent,Foregoing is the grease composition that the rolling bearing that is used for electric motor of supporting electric motor rotor is used;

  • Aforementioned thickening material is by with two represented carbamide compounds of following formula (A), and in composition, the amount of thickening material is 7~

    13 quality %;

    Aforementioned base oil is that the kinematic viscosity of 40 ℃

    is 20~

    55mm 2The pentaerythritol ester oil of/s;

    Aforementioned rust-preventive agent be from by polyol ester be select the group that forms of rust-preventive agent at least a with from by organic sulfonate being at least a mixture of selecting the group that forms of rust-preventive agent;

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