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ANSI/ABMA 23.2-1988 (S2020)
Thrust Bearings of Tapered Roller Type - Inch Design
This standard for thrust bearings of the tapered roller type of inch design covers: Bearing Number and Type Identity Symbols and Nomenclature Boundary Dimensions Tolerances Mounting Dimensions All bearings and components in this standard are not necessarily available. For availability, consult bearing manufacturers.
ABMA [abma]