SAE-AS81820, ADOPTION NOTICE: BEARINGS, PLAIN, SELF-ALIGNING, SELF-LUBRICATING, LOW SPEED OSCILLATION, GENERAL SPECIFICATION FOR (02-JUL-1998) [SUPERSEDING MIL-B-81820F]
SAE-AS81820, ADOPTION NOTICE: BEARINGS, PLAIN, SELF-ALIGNING, SELF-LUBRICATING, LOW SPEED OSCILLATION, GENERAL SPECIFICATION FOR (02-JUL-1998) [SUPERSEDING MIL-B-81820F]., SAE-AS81820, "BEARINGS, PLAIN, SELF-ALIGNING, SELF-LUBRICATING,
LOW SPEED OSCILLATION, GENERAL SPECIFICATION FOR", was adopted on
02-JUL-98 for use by the Department of Defense (DoD). Proposed
changes by DoD activities must be submitted to the DoD Adopting
Activity: Commander, Naval Air Warfare Center, Aircraft Division,
Code 414100B120-3, Highway 547, Lakehurst, NJ 08733-5100. Copies
of this document may be purchased from the Society of Automotive
Engineers 400 Commonwealth Drive Warrendale, Pennsylvania, United
States, 15096-0001.
This standard 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.