Bearing carburizing heat treatment
As the speed of trains increases and the load increases, tapered roller bearings made of carburized steel are widely used in various countries.
Swedish SKF Corporation, American Timken Company, Japan NSK Corporation and NTN Corporation used surface carburized steel to manufacture tapered roller bearings, which effectively improved the maintenance-free mileage and safety and reliability of the bearings.
For a long time, they have been committed to the development of advanced bearing design, manufacturing, sealing performance and lubrication technology to meet the requirements of the railway.
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