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

Standard:
Revised:
  • 2014-07-22
 
  • CURRENT
Publisher:
  • SAE International
Pages:
23
Scope:

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).

Rationale:

The reason for updating this document is to clarify the requirements for the subzero testing for Type A bearing qualification, mandate passivation for 440C balls after June 1, 2015, add Liquid Nitrogen testing requirements and to remove chrome plating on the ball OD.

History:
Standard Published Revision Status
AS81820D 2014-07-22 Latest Revised
2008-03-25 Historical Revised
2004-12-29 Historical Revised
2003-07-25 Historical Revised
1998-03-01 Historical Issued
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