GREASE FILLED BEARING

A grease-filled bearing filled with a grease composition containing a thickener which is a diurea compound represented by R 1 -NHCONH-R 2 -NHCONH-R 3 or a mixture thereof and a base oil containing alkyl diphenyl ether oil and containing poly ±-olefin oil as an optional component at a mass ratio of 4...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YOKOUCHI ATSUSHI, KANDA HARUKA, INAMI NORIYUKI, HOKAO MICHITA, KONNO KATSUHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEARINGS BLASTING CHEMISTRY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS FUELS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MECHANICAL ENGINEERING METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TECHNICAL GASES CONTAINING CARBON MONOXIDE THERMAL INSULATION IN GENERAL USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION WEAPONS
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Beschreibung
Zusammenfassung:	A grease-filled bearing filled with a grease composition containing a thickener which is a diurea compound represented by R 1 -NHCONH-R 2 -NHCONH-R 3 or a mixture thereof and a base oil containing alkyl diphenyl ether oil and containing poly ±-olefin oil as an optional component at a mass ratio of 40:60 to 100:0 (alkyl diphenyl ether oil:poly ±-olefin oil). In general formula (1), at least one of R 1 and R 3 is a C 6-12 aromatic hydrocarbon group and the other is a C 6-12 aromatic hydrocarbon group or a C 6-20 aliphatic hydrocarbon group. R 2 is a C 6-15 aromatic hydrocarbon group.