NAD (the brand of NAPB British Aviation Precision Group), the world's leading provider of high-efficiency bearing solutions, is targeting industrial pumps. It offers a longer-life single-row radial thrust ball bearing "industrial pump-specific radial thrust ball bearings", planned for 2016. It was launched in July. Increased load capacity and lubricity, and life expectancy increased by approximately 80% compared to the company's original products.
The internal design has been optimized to increase the basic dynamic load rating ratio of approximately 16%. In this way, since the life of the bearing of the same size is extended by 1.8 times, the maintenance interval of the industrial pump can be increased, and the running cost can be reduced. In addition, the industrial pump can be miniaturized and energy-saving by using a smaller bearing without changing the set life.
In addition, in order to improve the lubricity, a copper alloy is used in the bearing cage, and the shape and the guiding manner are improved on the basis of this. Due to the expansion of the internal space of the bearing, the inflow/discharge of the lubricating oil is improved, so that the temperature rise of the bearing can be reduced by about 10% - by about 5 ° C. This helps to increase the reliability of industrial pumps.
In addition, the operability when assembled into an industrial pump is also improved. Thereby, the positioning accuracy of the industrial pump blade can be more easily ensured.
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