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Few industries can match the extreme operating conditions in steel and other metal mills. Temperature and speed extremes. High and constant shock loads. Abrasive dust, aggressive chemicals and high humidity. Combined, these conditions degrade equipment, cause unplanned downtime and make effective maintenance difficult at best.
Today's mills also face equally intense global competition and environmental scrutiny. Bottom line? The need to increase productivity, profitability and sustainability has never been greater.
SKF saves steel producer more than 525 000 euro per year
A large European steel producer wanted to reduce total operating costs and increase plant availability, plant managers turned to SKF.
The plant houses six converters and five continuous slab casting machines. Each caster operates with hundreds of bearings and consumes between 30 and 70 tonnes of grease per year. To help the customer achieve its larger goals, SKF sought to extend service life and cut grease consumption for the plant's thousands of caster bearings.
Initially, SKF replaced all open bearings in one caster with sealed, spherical roller bearings and CARB toroidal roller bearings. Subsequently, all casters were fitted with this SKF sealed, self-aligning bearing system.
SKF saves heavy plate mill 96 000 euro annually
During the course of a plant modernization project, a single-stand, heavy plate steel mill was experiencing a huge drop in work roll bearing service life. In an effort to uncover the cause of the problem and increase work roll system reliability, the mill turned to SKF.
After an extensive failure analysis, SKF engineers determined that the heavy loads and slow speeds involved in the mill's thermo-mechanical rolling process were too great a burden for the standard grease being used. The SKF solution involved a combination of SKF LGEV 2 bearing grease and Explorer sealed, four-row tapered roller bearings
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 6200NR NSK | 10 | 30 | 9 |
| 6000NR NSK | 10 | 26 | 8 |