EASTMACHINERY Bearings LLC now offers a range of solutions allowing precision ball bearings to withstand harsh environments, including exposure to moisture, chemicals, high temperatures and vacuum conditions.
Among the options available are stainless steel (AISI, 440C, AISI 304, SV30) rings and balls; balls made of silicon nitride or titanium-carbide-coated steel; rings specially coated with thin dense chromium (TDC); and special seals, retainer materials and lubricants.
Applications for these enhanced bearings include thermal processes, chemical processing, hydraulic pumps, vacuum environments, fuel pumps and pharmaceutical and food processing.
A standard chrome bearing (left) versus an extreme environment, corrosion-resistant bearing (right) following nitric acid testing. The corrosion-resistant bearing showed no signs of corrosion, which meets the design requirement of 0% corrosion in a nitric acid submersion. Alternatively, the chrome steel bearing was severely corroded, and the ball retainer was deteriorated to the point of non-functionality. If the chrome steel bearing was put in service in such an atmosphere, catastrophic failure would occur in <1min.
You can rely on AST for our applications expertise and our commitment to provide exceptional service and value. Call us with your next design… we can help with the solution.
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