发明名称 SEAL MEMBER FOR ROLLING DEVICE AND ROLLING BEARING FOR WHEEL SUPPORT
摘要 PROBLEM TO BE SOLVED: To attain lower seal torque than that in a case of using a grease composition, in a seal member which includes an elastic member having a slinger and a seal lip slidably contacting with the slinger.SOLUTION: A seal member for a rolling device includes an elastic member having a slinger and a seal lip slidably contacting with the slinger; is composed of mineral oil or synthetic hydrocarbon oil, or a mixed oil thereof, so as to occupy 5-20 vol.% of a seal internal space; and encapsulates a lubricant composition containing base oil whose kinetic viscosity at 40°C is 10-50 mm, thickener composed of amino acid-based gelatinizer or a benzylidene sorbitol derivative, or a mixture thereof.
申请公布号 JP2015045400(A) 申请公布日期 2015.03.12
申请号 JP20130178243 申请日期 2013.08.29
申请人 NSK LTD 发明人 MATSUMOTO KANEAKI;KASAHARA YUUKI;SONODA KENTARO
分类号 F16C33/78;C10M101/02;C10M105/04;C10M107/02;C10M115/04;C10M115/08;C10M169/02;F16C19/18;F16J15/32 主分类号 F16C33/78
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