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Identification numbers Body structures Production control ACBG Plain Bearing Committee Parts and Components

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Standard

Plain Spherical Bearing Conformity Examination
2023-03-13
WIP
ARP5448/6B
This method outlines a standard procedure for performing conformity tests of bearings utilizing liners of bonded polytetrafluoroethylene (PTFE). The data from these tests shall be used to determine if the product meets the conformity requirements of the applicable specification.
Standard

Plain Bearing Wear Measurement
2023-03-13
WIP
ARP5448/7B
This standard details two methods of inspecting PTFE lined spherical or journal bearing wear outside the test apparatus. The methods described herein are applicable only to bearings which were unidirectionally loaded and the area of sliding wear is known and held constant throughout the dynamic test. The two methods described are: a. Destructive Inspection - Cut and measure (not applicable to molded liners) b. Nondestructive Inspection - Radial play (gauge) measurement
Standard

Plain Bearing High Speed Oscillation Test
2022-09-27
WIP
ARP5448/2A
This test method outlines a standard procedure for performing cyclic reversing load testing on oscillating sliding bearings. The wear data from these tests is to be used for qualification requirements and to establish bearing design criteria.
Standard

Plain Bearing Radial Limit and Ultimate Load Tests
2022-08-08
WIP
ARP5448/1B
This test method outlines the recommended procedure for performing radial limit load and ultimate load tests on low speed airframe and high speed helicopter rotor head bearings.
Standard

Bearings, Plain and PTFE Lined, Self-Aligning
2022-02-16
CURRENT
AS8942A
This SAE Aerospace Standard (AS) establishes the requirements for self-aligning, self-lubricating plain spherical bearings incorporating polytetrafluoroethylene (PTFE) in a liner between the ball and the outer race for use in a temperature range of -65 to +250 °F (-54 to +121 °C).
Standard

Plain Bearing Low Speed Oscillation Test
2021-09-28
WIP
ARP5448/3B
This test method outlines a recommended procedure for performing unidirectional load dynamic testing of self-lubricating bearings at room temperature, elevated temperature or sub-zero temperature, dry or contaminated with fluids. The wear data from these tests is to be used for qualification and to establish bearing design criteria.
Standard

Bearings, Plain, Self-Aligning, All Metal, General Specification for
2021-03-15
WIP
AS8976B
This specification covers all metal plain spherical bearings which are self-aligning for use between -65 °F and 250 °F. this specification covers bearings with alloy stell races, aluminum bronze races, and an entierly CRES bearing (ball and race). All units are inces, unless otherwise stated.
Standard

Bearings, Plain, Self-Aligning, Self-Lubricating, High Speed Oscillation -65 to +160 °F General Specification For
2021-03-03
WIP
AS81819B
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, Elastomeric General Specification for
2021-02-11
CURRENT
AS85598
This standard defines general requirements for spherical, radial-journal, conical, and thrust bearings which are of laminated elastomeric construction. These bearings are for use in an environment having a temperature spectrum of -65 to +160 °F while reacting steady state loads in addition to oscillating loads and motions. The operating temperature range of -65 to +160 °F reflects the current temperature range for existing parts, but allows for expansion in the future.
Standard

Rod End Locking Device Selection Criteria
2020-07-01
CURRENT
ARP6910
This ARP discusses common rod end locking devices with recommended applications and some of the advantages and disadvantages of specific configurations. An appendix is included with factors to be considered for selection of positive locking devices and a discussion of safetying devices for rod end assemblies.
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