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    • 4. 发明公开
    • Rolling bearing for automotive accessory having capability to prevent brittle flaking
    • 以防止有能力机动车辆的辅助机组轴承的脆化剥落
    • EP1703154A2
    • 2006-09-20
    • EP06004872.5
    • 2006-03-09
    • DENSO CORPORATION
    • Umeda, Atsushi c/o Denso CorporationShiga, Tsutomu c/o Denso CorporationIhata, Kouichi c/o Denso Corporation
    • F16C33/66
    • F16C33/6622F16C19/06F16C33/6614F16C33/6633F16C2380/26
    • According to the present invention, a rolling bearing (3) for supporting a rotary shaft (2c) of an automotive accessory includes an inner ring (31), an outer ring (32), a plurality of rolling elements (33) interposed between the inner and outer rings (31,32), and grease (36). The grease (36) has a withstand pressure greater than a predetermined range in which plastic deformation of at least one of surfaces of the inner and outer rings (31,32) and rolling elements (33) occurs in absence of an elastohydrodynamic lubrication film of the grease (36) on the surface. With such a configuration, it is possible to reliably avoid plastic deformation of the inner and outer rings (31,32) and rolling elements (33) regardless of presence of elastohydrodynamic lubrication films between the inner and outer rings (31,32) and the rolling elements (33). As a result, brittle flaking is reliably prevented from occurring in the rolling bearing (3).
    • 。根据本发明,一个滚动轴承(3)一种用于汽车附件的支承旋转轴(2C)包括介于外圈(32),滚动元件的多个(33)上内环(31)上 内圈和外圈(31,32),和油脂(36)。 的润滑脂(36)具有一个耐压比在内环和外环的表面中的至少一个(31,32)和滚动元件(33)的塑性变形预定范围中的出现在不存在的弹流电影的更大 表面上的润滑脂(36)。 与搜索的结构,也能够可靠地避免内圈和外圈(31,32)和滚动元件(33)的塑性变形不管内圈和外圈(31,32)和所述弹之间的润滑膜的存在的 滚动元件(33)。 其结果,脆性剥落被可靠地从在滚动轴承(3)防止发生。