Custom Bearings run submerged in low-viscosity liquids.

Press Release Summary:

Able to run in applications from -400 to +1,000°F, custom carbon-graphite bearings handle liquids such as water, gasoline, hot oil, solvents, strong chemicals, molten metals, liquefied gases, and beverages. Bearings are available in 150+ grades of self-polishing and dimensionally stable carbon-graphite and can be provided to customer print or customer approved dimensions and tolerances. Also, bearings are available shrink-fitted into metal housings or metal retaining rings.

Original Press Release:

Metallized Carbon Corporation Offers Custom Bearings for Running Submerged in Low Viscosity Liquids

Metallized Carbon Corporation, a global leader in the manufacture of oil-free, self-lubricating, carbon-graphite materials for severe service lubrication applications, announces the availability of custom carbon-graphite bearings, specially designed for running submerged in low viscosity liquids. Superior to both plastic and metallic bearings, Metcar carbon-graphite bearings run in applications ranging from -400 to 1000 ºF and can handle most common liquids, like water, gasoline, hot oil, solvents, strong chemicals, molten metals, liquefied gases and beverages.

Carbon-graphite is also a self-polishing and dimensionally stable material. Shafts polished to a fine surface finish will polish the carbon-graphite material to the same fine finish, so a thin hydrodynamic film is sufficient to provide lubrication. The custom bearings, available in over 150 grades of Metcar’s proprietary carbon/graphite material, are ideal for a range of applications, including water pumps, fuel pumps, chemical pumps, heat transfer pumps, meters, mixers, submerged conveyors and many more.

Plastic or polymer bearing materials often fail in submerged applications because of their tendencies to swell, soften or deteriorate. Metallic bearings are often unsatisfactory because the hydrodynamic film provided by low viscosity liquids is not thick enough to overcome the strong atomic attraction between metal bearings and the metal shaft.

Metcar bearings for running submerged can be provided to customer print or customer approved dimensions and tolerances. They are also available shrink-fitted into metal housings, or metal retaining rings.

Customers can rely on Metcar’s expert engineers to recommend the optimum Metcar grade for their particular application. They will also help design a bearing with the correct bearing size, proper press fit, best chemical compatibility, as well as the optimal shaft material and surface finish.

Metcar's quality Management system is certified to ISO9001-2008 and all materials are manufactured to exacting standards.  Numerous quality checks are performed during the manufacturing of the material to insure the highest level of performance for each application.  The latest electronic and optical methods are used to insure the dimensional integrity of each part.  All measuring equipment is calibrated to NIST traceable standards.

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