...ct self-aligning roller bearing 角接触向心推力自动调心滚子轴承 double row self-aligning roller bearing 双列调心滚子轴承 double-row self-aligning spherical roller bearing 双列向心球面滚子轴承 ..
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double-row self-aligning spherical roller bearing 双列向心球面滚子轴承
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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.
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。
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