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Charlotte Stonestreet
Managing Editor |
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Savings at steel mill
06 December 2023
When a steel mill was experiencing regular failures of the bearings on its pilger mill, the plant turned to NSK for a robust and economic solution. By recommending bearings with 200% more life than the units they replaced, NSK provided the mill with annual savings of €159,933.
To identify the root cause of the issue, NSK’s engineering team performed a technical application analysis, discovering that the main problems were severe operating conditions exacerbated by high loads and inadequate lubrication. Armed with this information, NSK was able to propose a special spherical roller bearing with optimised internal design that took advantage of the company’s proprietary Super Tough (STF) steel.
Durability, even in extreme operating environments is a critical criterion for steel mill bearings. The reliable, uninterrupted performance of rolling components that endure heavy loads and high heat amid water and scale is vital to realising and accelerating production capacities. NSK bearings made from STF or TF steel offer outstanding toughness in harsh operating conditions, providing long service life and superior resistance against wear, seizure, and heat.
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