A steelmaker based in Poland is saving nearly €3m per year after switching to NSK´s sealed-clean KVS bearings in its roll mill.

Such has been the superior performance of these four-row tapered roller bearings that the company has adopted the solution for all of its tandem cold mills. NSK KVS bearings are said to offer 2-4 times longer life than standard bearings. There are many reasons behind this elevated level of performance. For instance, a special type of bore seal averts the build-up of negative pressure that can cause the entry of water through the main seals.
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