US2016145522A1PendingUtilityA1

Grease composition and rolling bearing

Assignee: NSK LTDPriority: Jun 12, 2013Filed: Jun 12, 2014Published: May 26, 2016

Est. expiryJun 12, 2033(~6.9 yrs left)· nominal 20-yr term from priority

Inventors:Eri Watabe Yujiro Toda Kanako Tsumura Koichi Hachiya

C10M 105/38C10M 2207/1285C10M 2207/1265C10M 2207/401C10M 117/02F16C 33/6633C10N 2030/62C10M 2207/022C10N 2030/06C10N 2040/02C10M 2207/044C10N 2030/08C10M 129/08C10N 2050/10C10M 169/00C10N 2020/02C10M 2207/289C10M 171/00C10M 169/04C10M 2207/023

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References

Claims

Abstract

There is provided a grease composition containing an edible oil as a base oil and calcium stearate as a thickener, wherein a structure stabilizer for preventing thermal hardening is added and an unworked penetration after heating at 100° C. for 100 hours is 77 or more, and a rolling bearing in which the grease composition is sealed.

Claims

exact text as granted — not AI-modified

1 . A grease composition containing an edible oil as a base oil and calcium stearate as a thickener, wherein a structure stabilizer for preventing thermal hardening is added and the unworked penetration after heating at 100° C. for 100 hours is 77 or more. 
     
     
         2 . The grease composition according to  claim 1 ,
 wherein the structure stabilizer is a monoglyceride or a polyhydric alcohol.   
     
     
         3 . A rolling bearing in which the grease composition according to  claim 1  is sealed. 
     
     
         4 . A rolling bearing in which the grease composition according to  claim 2  is sealed.

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