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Standard

Bearings, Plain, Self-Aligning, Self-Lubricating, High Speed Oscillation -65 to +160 °F General Specification For

2010-09-22
CURRENT
AS81819A
This standard covers the requirements for spherical, self-aligning, self-lubricating bearings which are for use in the ambient temperature range -65 to +160 °F (-54 to +71 °C) at high cyclic speeds. The scope of the standard is to provide a liner system qualification procedure for helicopter sliding bearings defined and controlled by source control drawings. Once a liner system is qualified the source-controlled bearings are further tested under application conditions.
Standard

Bearings, Plain, Self-Aligning, Self-Lubricating, Low Speed Oscillation

2018-05-21
WIP
AS81820E
This SAE Aerospace Standard (AS) covers plain spherical bearings which are self-aligning and self-lubricating by utilizing polytetrafluoroethylene (PTFE) in a fabric composite or molded material that is bonded to the inner diameter surface of the race and when specified, to the bore diameter surface of the ball. These bearings are for use in the temperature range -65 to +325 °F (-54 to +163 °C).
Standard

Bearings, Plain, Self-Aligning, Self-Lubricating, Low Speed Oscillation

2014-07-22
CURRENT
AS81820D
This SAE Aerospace Standard (AS) covers plain spherical bearings which are self-aligning and self-lubricating by utilizing polytetrafluoroethylene (PTFE) in a fabric composite or molded material that is bonded to the inner diameter surface of the race and when specified, to the bore diameter surface of the ball. These bearings are for use in the temperature range -65 to +325 °F (-54 to +163 °C).
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