由于水力的挤压作用，增加了煤层瓦斯放散的速度，瓦斯得到充分释放。减小了工作面瓦斯超限的威胁，对安全生产有显著的作用。

Extruding of water power increases the speed of gas scattering, which makes gas fully release, reduce the gas pressure goes beyond the limit and have remarkable effect to safety production.

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该类轴承主要用于水力发电机，立式电机，船用螺旋轴，塔吊、塑料注塑挤压机等。

This kind of bearings is mainly used for hydroelectric generators, vertical motors, Marine shaft, crane, plastic injection molding extrusion machines.

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