某电厂发生锅炉磨煤机变速箱高速轴断裂，双列调心滚子轴承损坏。
The high speed shaft of the coal mill gear box for the boiler in a power plant broke, and the double-row self-aligning roller bearing was damaged.
日本JTEKT面向汽车的自动传动系统和无级变速箱，推出了长寿命行星轴用滚针轴承。
Japanese JTEKT faces the automatic transmission system of the car and case of infinitely variable speeds, rolled out axis of macrobian life planet to use needle bearing.
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