High-Performance Bearing Solutions Engineered for the Metallurgy

An excellent technical question. Bearings in the upper segments are closer to the hot slab and face greater thermal stress and direct water cooling. Selection here prioritizes high-temperature capability, robust sealing against water ingress, and designs that accommodate thermal expansion. In contrast, the straightener section bearings endure higher mechanical loads and shock. The focus there is on superior load-carrying capacity, impact toughness, and wear resistance. TFL offers distinct, optimized solutions for each of these demanding zones.

Our TQO type bearings for rolling mills incorporate several key enhancements. We utilize a logarithmic roller profile to optimize stress distribution between the rollers and raceways, increasing both load capacity and service life. High-precision spacers ensure accurate preload settings and uniform load sharing across all four rows. Furthermore, we can offer designs with helical lubrication grooves on the inner ring to improve lubrication effectiveness and integrated, high-efficiency seals built to withstand the mill environment.

Absolutely. From a Total Cost of Ownership (TCO) perspective, it is a sound financial decision. While the initial purchase price may be higher, the long-term savings from TFL bearings—achieved through extended service life, drastically reduced unplanned downtime, lower maintenance frequency, and decreased lubricant consumption—far outweigh the initial investment. One quality investment prevents multiple costly production losses and emergency repairs.

The solution is a dual approach focusing on "sealing" and "lubrication." First, specifying TFL bearings with our effective contact or labyrinth seals provides the first line of defense against contaminant ingress. Second, we highly recommend using a centralized automatic lubrication system. Our technical experts can work with you to define the optimal grease type and replenishment intervals based on your specific load and environmental conditions. Regular flushing of the housing and seal inspection during maintenance windows are also crucial for ensuring long, reliable operation.

Yes, they are. TFL manufactures bearings in strict accordance with ISO standards and has extensive experience providing both OEM and aftermarket solutions for major equipment brands. Our products are fully interchangeable with original parts in terms of dimensions, tolerances, and performance ratings. Simply provide the original bearing designation or equipment drawing, and our engineering team will provide a 100% compatible—and often superior—replacement solution, complete with installation support.