Annotation of standard text SAE J1883 :
The bushing "TRAC" code is intended to be a tool that will aid in the definition of the geometric environment for the test, or use, of an elastomeric bushing.
SUBJECT TAXONOMY: CAD, CAM, and CAE, Elastomers, Vibration, Bearings
SUBFILE: Automotive, Commercial Vehicle
TYPE OF DOCUMENT: Ground Vehicle Standard
Stabilized: Feb 2017 