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SAE ARP5448/7A

Plain Bearing Wear Measurement

NORMA vydána dne 1.7.2026

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The information about the standard:

Designation standards: SAE ARP5448/7A
Publication date standards: 1.7.2026
Country: American technical standard
Kategorie: Technické normy SAE

Annotation of standard text SAE ARP5448/7A :


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

SUBJECT TAXONOMY: Measurements, Wear, Bearings, Inspections
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard