GREASE FOR HUB BEARING AND HUB BEARING
The present invention provides a hub bearing, made of carbon steel for machine structural use, which has a long life even in a strict lubricating condition by improving the resistance to peeling starting from the surface. A grease for the hub bearing contains abase oil anda thickener, and in the bas...
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| creator | EGAMI, MASAKI |
| description | The present invention provides a hub bearing, made of carbon steel for machine structural use, which has a long life even in a strict lubricating condition by improving the resistance to peeling starting from the surface. A grease for the hub bearing contains abase oil anda thickener, and in the base oil, thenumberofnaphthenic carbons found by an n-d-M ring analyzing method accounts for 32 to 37% of a whole number of carbon atoms in the base oil. The base oil is a mineral oil or a mixed oil of a mineral oil and a synthetic hydrocarbon oil. The thickener is a urea compound shown by the following formula (1) and is contained at 1 to 40 mass % for the entire grease. The grease for the hub bearing is enclosed in the hub bearing.
(In the formula (1), R 2 indicates an aromatic hydrocarbon group having 6 to 15 carbon atoms, and R 1 and R 3 indicate at least one hydrocarbon group selected from an alicyclic hydrocarbon group and an aromatic hydrocarbon group.) |
| format | Patent |
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(In the formula (1), R 2 indicates an aromatic hydrocarbon group having 6 to 15 carbon atoms, and R 1 and R 3 indicate at least one hydrocarbon group selected from an alicyclic hydrocarbon group and an aromatic hydrocarbon group.)</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>FUELS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS</subject><subject>LIGHTING</subject><subject>LUBRICANTS</subject><subject>LUBRICATING COMPOSITIONS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBzD3J1DHZVcPMPUvAIdVJwcnUM8vRzV3D0c0Hm8zCwpiXmFKfyQmluBgU31xBnD93Ugvz41OKCxOTUvNSSeNcAQwtLc0tjA0cTYyKUAABBZSKk</recordid><startdate>20100901</startdate><enddate>20100901</enddate><creator>EGAMI, MASAKI</creator><scope>EVB</scope></search><sort><creationdate>20100901</creationdate><title>GREASE FOR HUB BEARING AND HUB BEARING</title><author>EGAMI, MASAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1897930A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2010</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>FUELS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS</topic><topic>LIGHTING</topic><topic>LUBRICANTS</topic><topic>LUBRICATING COMPOSITIONS</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>PEAT</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>EGAMI, MASAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>EGAMI, MASAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>GREASE FOR HUB BEARING AND HUB BEARING</title><date>2010-09-01</date><risdate>2010</risdate><abstract>The present invention provides a hub bearing, made of carbon steel for machine structural use, which has a long life even in a strict lubricating condition by improving the resistance to peeling starting from the surface. A grease for the hub bearing contains abase oil anda thickener, and in the base oil, thenumberofnaphthenic carbons found by an n-d-M ring analyzing method accounts for 32 to 37% of a whole number of carbon atoms in the base oil. The base oil is a mineral oil or a mixed oil of a mineral oil and a synthetic hydrocarbon oil. The thickener is a urea compound shown by the following formula (1) and is contained at 1 to 40 mass % for the entire grease. The grease for the hub bearing is enclosed in the hub bearing.
(In the formula (1), R 2 indicates an aromatic hydrocarbon group having 6 to 15 carbon atoms, and R 1 and R 3 indicate at least one hydrocarbon group selected from an alicyclic hydrocarbon group and an aromatic hydrocarbon group.)</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | 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 |
| title | GREASE FOR HUB BEARING AND HUB BEARING |
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