From the SAE Airframe Control Bearing Group conference, Nashville TN USA April 2008, it was reported certain material specifications relating in particular to spherical plain bearings may be contaminated during manufacture resulting in reduced life.

A case in point, before any specification becomes a “Standard” inscribed and set in stone, many years of engineered research is normally conducted. Change to an original specification is a significantly rigid & much argued case requiring investigation of serious failures and/or to show just cause.

NASA together with the general Aviation Industry requires strict audit procedures for both materials flow and corporate behavior, obviously reduced bearing life is unacceptable.

The BICC proposed a code of conduct between the aerospace bearing manufacturer and vendor requiring full compliance to original specifications and materials with penalty clauses for default.

A leading EU bearing manufacturer has adopted our CoC method to various outside contractors for compliance and confidentiality. However, another EU bearing manufacturer seeking further approval with the US Aviation industry failed to reply in our request for this initial strategy.

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