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    • 10. 发明专利
    • Ball bearing
    • 球轴承
    • JP2009047243A
    • 2009-03-05
    • JP2007214004
    • 2007-08-20
    • Nsk Ltd日本精工株式会社
    • FUJIMORI DAISUKE
    • F16C33/44C08J5/04F16C33/40
    • F16C33/416
    • PROBLEM TO BE SOLVED: To provide a ball bearing capable of maintaining a stable bearing performance for a long period even if used under such severe conditions as under high temperature environment in the engine room of an automobile.
      SOLUTION: This ball bearing 1 assembled in an idling stop system comprises an inner ring 2, an outer ring 3, two rows of balls 4, and a resin crown retainer 5, and has a large diameter, small width, and thin wall thickness. The type of the resin is desirably a super engineering plastic or a general-purpose engineering plastic. Resin compositions obtained by reinforcing these resins with a fiber-reinforced material formed of at least one of glass fibers and carbon fibers may be used. In that case, the content of the fiber-reinforced material is desirably 15 to 40 mass% of the resin composition.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供即使在诸如汽车的发动机室的高温环境等恶劣条件下使用的能够长期保持稳定的轴承性能的滚珠轴承。 解决方案:组装在怠速停止系统中的该滚珠轴承1包括内圈2,外圈3,两排球4和树脂冠保持件5,并且具有大直径,小宽度和薄 室壁厚度。 树脂的类型优选为超级工程塑料或通用工程塑料。 可以使用通过由玻璃纤维和碳纤维中的至少一种形成的纤维增强材料来增强这些树脂而获得的树脂组合物。 在这种情况下,纤维增强材料的含量优选为树脂组合物的15〜40质量%。 版权所有(C)2009,JPO&INPIT