Extra Long-Life Bearing Unit for Continuous Casters

The Extra Long-Life Bearing Unit (XLL Bearing Unit) is an innovative breakthrough in the realm of continuous casting operations, specifically engineered to address the persistent challenges faced by steel manufacturers.

Conventional bearing units are often the weak link in slab caster segments, with their lifespan limited by frequent wear and failure under extreme operational conditions. The Extra Long-Life Bearing Unit (XLL Bearing Unit) directly tackles these issues, offering up to a 30% increase in the lifetime of casting rollers and significantly reducing roller-induced downtimes.

This cutting-edge bearing unit is designed to excel where others falter, delivering enhanced safety, substantial cost savings, and increased operational efficiency. By addressing critical reliability concerns, the XLL Bearing Unit ensures a more robust and sustainable solution for continuous casting operations.

The Extra Long-Life Bearing Unit (XLL Bearing Unit) is accurately crafted to endure the rigorous demands of continuous casting machines.

It features a high load capacity combined with optimized self-alignment capabilities, ensuring reliable performance even in the most challenging environments. The integration of the calotte into the bearing housing allows for superior handling of misalignments, surpassing the capabilities of traditional spherical roller bearings. This innovative design facilitates unlimited axial movement and offers significantly higher load capacities due to the full line contact area of the rollers. Additionally, the special heat treatment of the roller bearing components further extends the bearing's lifespan, making it an ideal choice for applications requiring heavy loads.

The new bearing housing of the Extra Long-Life Bearing Unit (XLL Bearing Unit) is engineered with a 35% higher wall thickness compared to conventional bearing housings. This enhancement ensures that the spherical bore diameter remains within the allowed tolerance throughout the bearing's lifetime. The improved cooling efficiency of the bearing housing can be customized to meet specific operational needs, effectively doubling the number of times the bearing housing can be reused. This not only provides cost savings but also contributes to sustainability by reducing waste and resource consumption.

Benefits of the Extra Long-Life Bearing Unit (XLL Bearing Unit)

• 30% increase in lifetime: extends the operational life of casting rollers, reducing the need for frequent replacements
• 30% less downtime: minimizes roller-induced downtimes, enhancing overall productivity
• Higher load capacity: offers 10% to 30% higher load capacity compared to conventional bearings from third-party suppliers
• Enhanced cooling efficiency: a customizable cooling design is tailored to meet specific operational needs.
• Unlimited axial movement: easily accommodates any misalignments, ensuring smooth operation
• Multiple re-uses of bearing housings: doubles the number of re-uses, providing cost savings and sustainability
• Expert support: benefits from expert advice for optimal performance in heavy-load applications