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An Italian snack food company is benefiting from annual savings of 192,600 (£167,600) on production and maintenance costs since using NSKs Asset Improvement Programme to overcome the persistent failure of fixed tail drum conveyor bearings operating in a damp environment.

NSK proposed replacing the existing double-row ball bearings with its Molded-Oil Series of spherical roller bearings, which are said to reduce the total cost of ownership of food-processing machinery by removing the downtime associated with regular bearing replacements and through maintenance-cost savings as a result of longer re-lubrication intervals.

The bearings provide these benefits with a solid lubricant designed to improve the performance of machinery and equipment in environments exposed to high humidity and contamination.

Key benefits of product application

  • Offers more than twice the operating life of grease lubrication in water-contaminated environments
  • Operating environments are kept free of grease
  • There is no need to refill the lubricant, as Molded-Oil provides a continuous supply of lubricating oil
  • Bearing life has increased to 15 months
  • Costly regreasing operation has been eliminated


NSK, a global leader in motion and control products, has developed and continuously upgrades four core technologies: tribology, material engineering, analysis technology and mechatronics, to provide the platform for the company’s innovative product developments. This technology platform provides the basis for the design of NSK’s rolling bearings, automotive components and precision parts. In addition, by integrating these advanced technologies, NSK is able to respond quickly and effectively to customer requirements across all key sectors.

NSK is a driver of new technology developments, with a full line-up of products spanning general industrial, automotive and precision parts industries. These include bearings for mechanical and electrical machinery, IT and aftermarket; innovative automotive products such as electric power steering (EPS) automatic transmission components, steering columns and other steering related products; and precision linear motion components such as linear guides, ballscrews, X-Y tables, mechatronic products and Megatorque motors.

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