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    Seal for rolling bearing and rubber composition
    4.
    发明专利
    Seal for rolling bearing and rubber composition 审中-公开
    密封用于滚动轴承和橡胶组合物

    公开(公告)号：JP2013181085A

    公开(公告)日：2013-09-12

    申请号：JP2012045060

    申请日：2012-03-01

    Applicant: Nsk Ltd ,  日本精工株式会社

    Inventor： KASAHARA YUUKI ,  MATSUMOTO KANEAKI

    IPC: C09K3/10 ,  C08L9/02

    Abstract: PROBLEM TO BE SOLVED: To provide a seal device capable of maintaining cold resistance and heat resistance for a long time, small in swell caused by base oil of grease, and highly reliable, and a rubber composition therefor.SOLUTION: A seal for a rolling bearing is produced by molding a rubber composition that includes, as a rubber component, a mixed acrylonitrile-butadiene rubber in which acrylonitrile-butadiene rubber A with its acrylonitrile content being 18-26%, and acrylonitrile-butadiene rubber B with its acrylonitrile content being ≥30% are mixed at the weight ratio of acrylonitrile-butadiene rubber B : acrylonitrile-butadiene rubber B of 70:30 to 90:10.

    Abstract translation: 要解决的问题：提供一种能够长期保持耐寒性和耐热性的密封装置，由油脂基础油引起的膨胀小，并且可靠性高的橡胶组合物。以及用于轧制的密封件 通过成型橡胶组合物来制造轴承，该橡胶组合物包括丙烯腈含量为18-26％的丙烯腈 - 丁二烯橡胶A和其丙烯腈含量为丙烯腈 - 丁二烯橡胶B作为橡胶组分的混合丙烯腈 - 丁二烯橡胶 ≥30％的丙烯腈 - 丁二烯橡胶B：丙烯腈 - 丁二烯橡胶B的重量比为70:30〜90:10。

    Lubricating grease composition, and rolling bearing with the same enclosed therein
    5.
    发明专利
    Lubricating grease composition, and rolling bearing with the same enclosed therein 有权
    润滑脂润滑脂组合物和与其相同的滚动轴承

    公开(公告)号：JP2011057914A

    公开(公告)日：2011-03-24

    申请号：JP2009211327

    申请日：2009-09-14

    Applicant: Nsk Ltd ,  日本精工株式会社

    Inventor： MATSUMOTO KANEAKI

    IPC: C10M169/02 ,  C10M105/38 ,  C10M115/04 ,  C10N30/00 ,  C10N30/06 ,  C10N40/02 ,  C10N50/10 ,  F16C33/66

    Abstract: PROBLEM TO BE SOLVED: To provide a lubricating grease composition which is excellent in low torque performance, and to provide a rolling bearing with a low rotational torque.
    SOLUTION: The lubricating grease composition comprises a base oil and a thickener, wherein the base oil is a saturated fatty acid triglyceride comprising an ester of a saturated fatty acid and glycerin, and the thickener is a dextrin fatty acid ester composed of a fatty acid and dextrin, or an inulin fatty acid ester composed of fatty acid and inulin. There is provided the rolling bearing which has the lubricating grease composition enclosed therein.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种低扭矩性能优异的润滑脂组合物，并提供具有低转矩的滚动轴承。 解决方案：润滑脂组合物包含基础油和增稠剂，其中所述基础油是包含饱和脂肪酸和甘油的酯的饱和脂肪酸甘油三酯，并且所述增稠剂是由以下物质构成的糊精脂肪酸酯： 脂肪酸和糊精，或由脂肪酸和菊粉组成的菊粉脂肪酸酯。 提供了包含润滑脂组合物的滚动轴承。 版权所有（C）2011，JPO＆INPIT

    Grease composition and rolling bearing
    6.
    发明专利
    Grease composition and rolling bearing 有权
    润滑脂组合物和滚动轴承

    公开(公告)号：JP2010209129A

    公开(公告)日：2010-09-24

    申请号：JP2009053447

    申请日：2009-03-06

    Applicant: Nsk Ltd ,  日本精工株式会社

    Inventor： MATSUMOTO KANEAKI ,  YOKOUCHI ATSUSHI

    IPC: C10M169/02 ,  C10M105/38 ,  C10M105/40 ,  C10M115/04 ,  C10M115/08 ,  C10M117/04 ,  C10M129/20 ,  C10M133/06 ,  C10N30/00 ,  C10N40/02 ,  C10N50/10 ,  F16C33/66

    CPC classification number: F16C33/6633

    Abstract: PROBLEM TO BE SOLVED: To provide a grease composition which uses together as a viscosity improver a thickener and a gelling agent, and moreover which is contrived to give a lower torque as well as to suppress a grease leakage by curtailing still more the content of the viscosity improver.
    SOLUTION: The grease composition is a lubricant composition including a base oil and a viscosity improver of a mixture of a gelling agent and a thickener, wherein this grease composition is such that the gelling agent is an amino acid-based gelling agent or a benzylidene sorbitol derivative, and comprises a mixture having a ratio (a gelling agent:a thickener) of (50-95):(5-50), and besides contains 1-10 mass%, based on the whole amount, of a total of the gelling agent and the thickener.
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种作为粘度改进剂一起使用的增稠剂和胶凝剂的润滑脂组合物，此外，通过减少扭矩，抑制润滑脂泄漏，​​另外， 粘度改进剂的含量。 解决方案：润滑脂组合物是包含基础油和胶凝剂和增稠剂的混合物的粘度改进剂的润滑剂组合物，其中该润滑脂组合物使得胶凝剂是基于氨基酸的胶凝剂或 亚苄基山梨糖醇衍生物，并且包含具有（50-95）：（5-50）比例的（胶凝剂：增稠剂）的混合物，并且除了含有1-10质量％ 胶凝剂和增稠剂的总量。 版权所有（C）2010，JPO＆INPIT

    Lubricant composition, rolling bearing, and rolling bearing for supporting wheel
    7.
    发明专利
    Lubricant composition, rolling bearing, and rolling bearing for supporting wheel 审中-公开
    润滑剂组合物，滚动轴承和滚动轴承支撑轮

    公开(公告)号：JP2009173767A

    公开(公告)日：2009-08-06

    申请号：JP2008013702

    申请日：2008-01-24

    Applicant: Nsk Ltd ,  日本精工株式会社

    Inventor： MATSUMOTO KANEAKI ,  YOKOUCHI ATSUSHI ,  FUJITA YASUNOBU

    IPC: C10M169/06 ,  C10M105/18 ,  C10M105/38 ,  C10M107/34 ,  C10M115/08 ,  C10M129/08 ,  C10N30/00 ,  C10N30/06 ,  C10N30/08 ,  C10N40/02 ,  C10N50/10 ,  F16C33/66

    CPC classification number: F16C33/6633

    Abstract: PROBLEM TO BE SOLVED: To provide a lubricant composition capable of giving excellent resistance relative to a high temperature and a high load and an anti-fretting property to an applied position, a rolling bearing being excellent in an anti-fretting property without raising a manufacturing cost and sufficiently operated even under a severe condition such as under a high temperature and a high load, and a rolling bearing apparatus for supporting a wheel.
    SOLUTION: The lubricant composition contains a thickener comprising a specific urea compound, a gelling agent selected from a benzylidene sorbitol derivative, and a base oil capable of dissolving the urea compound and the gelling agent at 220°C or lower. The rolling bearing filled-in with the lubricant composition and the rolling bearing for supporting the wheel are provided.
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题：为了提供能够赋予施加位置相对于高温，高负载和抗微动性优异的电阻的润滑剂组合物，具有优异的抗微动性的滚动轴承而没有 提高制造成本并且即使在诸如高温和高负载的严酷条件下也能充分运行，以及用于支撑车轮的滚动轴承装置。 解决方案：润滑剂组合物含有特定脲化合物的增稠剂，选自亚苄基山梨糖醇衍生物的胶凝剂和能够在220℃以下溶解脲化合物和胶凝剂的基础油。 提供了填充有润滑剂组合物的滚动轴承和用于支撑车轮的滚动轴承。 版权所有（C）2009，JPO＆INPIT

    Grease composition and roller bearing
    8.
    发明专利
    Grease composition and roller bearing 审中-公开
    润滑脂组合物和滚子轴承

    公开(公告)号：JP2008291179A

    公开(公告)日：2008-12-04

    申请号：JP2007140509

    申请日：2007-05-28

    Applicant: Nsk Ltd ,  日本精工株式会社

    Inventor： MATSUMOTO KANEAKI ,  YOKOUCHI ATSUSHI ,  FUJITA YASUNOBU

    IPC: C10M169/00 ,  C10M129/16 ,  C10M145/36 ,  C10N30/06 ,  C10N40/02 ,  C10N50/10 ,  F16C33/66

    CPC classification number: F16C33/6633

    Abstract: PROBLEM TO BE SOLVED: To provide a grease composition prolonging lubrication life in usage under an extreme pressure condition especially and to provide a roller bearing constructed by being filled with the grease composition for prolonging its life even by use under an extreme pressure condition. SOLUTION: The grease composition contains at least one kind of base oil selected from mineral oils and synthetic oils, a thickener, and a non-ionic surfactant at a ratio of 0.1-5% by mass to the total amount of grease. In the roller bearing, the grease composition is sealed in a gap, in which a plurality of rolling elements are held freely rotationally, between an inner ring and an outer ring. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种在极端压力条件下延长使用寿命的润滑脂组合物，特别是提供一种通过填充润滑脂组合物构成的滚子轴承，即使在极压条件下使用也能延长其使用寿命 。 解决方案：润滑脂组合物含有选自矿物油和合成油，增稠剂和非离子表面活性剂中的至少一种基础油，其比例为油脂总量的0.1-5质量％。 在滚子轴承中，润滑脂组合物密封在多个滚动元件在内圈和外圈之间自由旋转地保持的间隙中。 版权所有（C）2009，JPO＆INPIT

    Lubricant composition and rolling bearing for swinging motion
    9.
    发明专利
    Lubricant composition and rolling bearing for swinging motion 审中-公开
    用于运动的润滑剂组合物和滚动轴承

    公开(公告)号：JP2008285575A

    公开(公告)日：2008-11-27

    申请号：JP2007131303

    申请日：2007-05-17

    Applicant: Nsk Ltd ,  日本精工株式会社

    Inventor： FUJITA YASUNOBU ,  YOKOUCHI ATSUSHI ,  MATSUMOTO KANEAKI

    IPC: C10M169/02 ,  C10M105/36 ,  C10M105/38 ,  C10M115/04 ,  C10M115/08 ,  C10N30/00 ,  C10N30/06 ,  C10N40/02 ,  C10N50/10 ,  F16C33/66

    Abstract: PROBLEM TO BE SOLVED: To provide a lubricant composition being excellent in lubricating performance and hardly causing lubrication insufficiency associated with swinging motion, and to provide a rolling bearing for swinging motion, of long service life with excellent fretting abrasion resistance, without increasing its production cost.
    SOLUTION: The lubricant composition, which is applicable to sites subject to swinging motion, is characterized by being prepared by compounding an ester oil with a specific urea compound and a benzylidene sorbitol derivative in the weight ratio (the benzylidene sorbitol derivative/the urea compound) of 0.1-1.0 so as to be 10-30 mass% in the total amount of the urea compound and the benzylidene sorbitol derivative. A rolling bearing for swinging motion lubricated with the above composition is also provided.
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题：提供润滑性能优异并且几乎不产生与摆动相关的润滑不足的润滑剂组合物，并且提供具有优异的耐磨损性的具有优异的耐磨损性的长使用寿命的用于摆动的滚动轴承，而不增加 其生产成本。 解决方案：适用于摆动运动的场所的润滑剂组合物的特征在于通过将酯油与特定脲化合物和亚苄基山梨糖醇衍生物以重量比（亚苄基山梨醇衍生物/ 尿素化合物）为0.1〜1.0，以尿素化合物和亚苄基山梨醇衍生物的总量为10〜30质量％。 还提供了用上述组成润滑的用于摆动运动的滚动轴承。 版权所有（C）2009，JPO＆INPIT

    Wheel supporting rolling bearing
    10.
    发明专利
    Wheel supporting rolling bearing 有权
    车轮支撑滚动轴承

    公开(公告)号：JP2013217428A

    公开(公告)日：2013-10-24

    申请号：JP2012087498

    申请日：2012-04-06

    Applicant: Nsk Ltd ,  日本精工株式会社

    Inventor： MATSUMOTO KANEAKI ,  KASAHARA YUUKI

    IPC: F16C33/66 ,  C10M101/02 ,  C10M105/18 ,  C10M105/32 ,  C10M107/02 ,  C10M169/02 ,  C10N40/02 ,  C10N50/10 ,  F16C19/18 ,  F16C33/78 ,  F16J15/32

    Abstract: PROBLEM TO BE SOLVED: To provide a wheel supporting rolling bearing that exhibits sufficient durability even in a cold area at a temperature of about -40°C by enhancing sealing performance at a low temperature.SOLUTION: A wheel supporting rolling bearing includes: an outer ring having an outer ring raceway on the inner peripheral surface; an inner ring having an inner ring raceway on the outer peripheral surface; a plurality of rolling elements freely rollably provided between the outer ring raceway and the inner ring raceway; and a sealing device that plugs an axial opening of a space, in which the rolling elements are provided, between the inner peripheral surface of the outer ring and the outer peripheral surface of the inner ring. The wheel supporting rolling bearing encloses a grease composition in which mixed oil formed by mixing mineral oil with synthetic oil and having an aniline point of 80-120°C is used as base oil.

    Abstract translation: 要解决的问题：提供一种通过提高低温下的密封性能，即使在约-40℃的温度下仍能显示足够的耐久性的车轮支承滚动轴承。解决方案：一种车轮支承滚动轴承，包括：外部 在内周面上具有外圈滚道; 在所述外周面上具有内圈滚道的内圈; 可滚动地设置在外圈滚道和内圈滚道之间的多个滚动元件; 以及密封装置，其在外圈的内周面和内圈的外周面之间插入设置有滚动体的空间的轴向开口。 轮支撑滚动轴承包含一种润滑脂组合物，其中通过将矿物油与合成油混合并且苯胺点为80-120℃形成的混合油用作基础油。

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