Fit SKF Quality Sealing Solutions
SKF sealing systems’ exceptional sealing performance optimises product and plant efficiencies by extending equipment service life and boosting uptime for ultimate profitability.
SKF, globally renowned for its reputation as a market leader in the supply of quality products and expert services, has been the undisputable leader in the business of bearings for over 100 years. The enhancement of SKF’s bearing offering through its core technologies – seals, lubrication, power transmission, mechatronics and services – perfectly position the company as a turnkey solutions provider.
The sealing system’s ability to retain lubricant and prevent ingress of aggressive contaminates is fundamental to bearing performance. “A sealing system that does not perform reliably and efficiently, will compromise even the best quality bearing, subjecting it to premature failure,” says Andre Weyers, SKF Platform Manager – Southern Africa. “So when fitting good quality bearings due consideration must be given to the quality of the sealing system.”
The SKF range of seals are specially designed and engineered in accordance with ISO 6194 and DIN 3760 to continue delivering optimum sealing performance while withstanding thermal expansion, dynamic runout and shaft-to-bore misalignment.
Alongside quality, specifying the right sealing solution for the application is equally important. “This is where our knowledge of local industries forged over more than a century sets us apart,” notes Weyers.
Benefits from SKF’s in-house design include exceptional compatibility, improved wear resistance and aging as well as increased pumping ability which pushes lubrication away from seal lip.
SKF seals’ superior quality materials are able to withstand the corrosive properties of synthetic additives increasingly used in oil, which cause extensive wear of seals manufactured from inferior, run-of-the mill materials.
Another key feature of SKF seals are their exclusion capability. In SKF’s patented WAVE seal design, the seal is moulded to push oil and contaminants out. Weyers adds that this additional exclusion ability does not significantly increase unwanted torque and reduces underlip temperature.
SKF’s in-house developed sealing solution for the agricultural industry substantially improves productivity by reducing operational costs and down time. The special hermetic seal prevents lubricant loss over the complete life span of SKF Agri Hubs for disc harrows with independent discs. Central to the sealing principle is the ‘mud block’ seal and special labyrinth which provide dynamic sealing against stones, mud and dust. A special cup and O-ring system provides the static sealing of the disc side in the SKF Agri Hub, making it impervious to contaminant ingress. “The result is an extremely reliable and virtually maintenance-free component,” affirms Weyers.
With seal sizes ranging from 6mm to 1600mm OD (Outside Diameter), SKF’s comprehensive seal offering meets the requirements of small, medium and large applications in industries such as steel, pulp & paper, automotive, mining & cement, marine and agriculture. The extensive seals range is available from SKF South Africa in Boksburg on Johannesburg’s East Rand.
From axles and pumps to mills and gearboxes, SKF has the knowledge, expertise and technical support capabilities to provide the right bearing, seal and lubrication solution that will reduce MTBF (Mean Time Between Failures) and operational costs for lowest overall cost of ownership and rapid return on investment for customers and end-users.
www.skf.com
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