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    • 5. 发明申请
    • ROLLING BEARING
    • 滚动轴承
    • US20130089283A1
    • 2013-04-11
    • US13433391
    • 2012-03-29
    • Werner TrojahnWalter HolwegerSilke Rösch
    • Werner TrojahnWalter HolwegerSilke Rösch
    • F16C33/34F16C33/62
    • F16C33/34F16C33/62F16C33/64F16C2204/60F16C2240/18
    • A rolling bearing having an outer ring, an inner ring and rolling bodies which roll on raceways of the rings. The raceway of the inner and/or outer ring and/or the surface of the rolling bodies has a burnishing layer, and the inner and/or the outer ring and/or the rolling bodies are formed of a steel which has a hardness of at least 58 HRC at least below the burnishing layer and which, at least below the burnishing layer, has: a nitrogen content at least in the marginal layer of 0.03-0.8%, the nitrogen being at least partially dissolved, a carbon content at least in the marginal layer of 0.1-1.2%, a nickel content of ≦0.4%, a silicon content of 0.2-1.0%, a chromium content of ≧1.0%, a sulfur content of ≦0.008%, an oxygen content of ≦15 ppm, and a titanium content of ≦50 ppm.
    • 一种滚动轴承,具有外环,内圈和滚动体,滚动体在滚道的滚道上。 内圈和/或外圈和/或滚动体的表面的滚道具有抛光层,并且内圈和/或外圈和/或滚动体由硬度为 至少58 HRC至少低于抛光层,并且其至少在抛光层下方具有:至少在边界层中的氮含量为0.03-0.8%,氮至少部分地溶解,碳含量至少在 边界层为0.1-1.2%,镍含量为n1E,0.4%,硅含量为0.2-1.0%,铬含量为≥1.0%,硫含量为nNE; 0.008%,含氧量为nlE; 15ppm,钛含量为< 100ppm; 50ppm。