The high speed shaft of the coal mill gear box for the boiler in a power plant broke, and the double-row self-aligningroller 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。
3
The upper end and the lower end of a lifting screw are in a double-self-aligning hanging structure with a self-aligningroller step bearing so that the stress state of the lifting screw is improved.