ANSI/ABMA 19.1:2011

This standard for inch thrust needle roller and cage assemblies and thrust washers covers:Identification CodeSymbols and NomenclatureBoundary DimensionsTolerancesMounting PracticeAll thrust needle roller and cage assemblies and thrust washers listed in this standard are not necessarilyavailable. For availability, consult bearing manufacturers. Other applicable standards should be consulted fortolerance definitions, gaging practices and methods of evaluating load ratings.

This standard only covers external dimensions. Functional interchangeability between different makes ofstandard thrust needle roller and cage assemblies and thrust washers of the same size may depend on bearingfeatures which are not standardized. Hence, the substitution of one make of a standard bearing for another shouldonly be made after careful comparison of their characteristics and consideration of the requirements of the particularapplication.

This product replaces:ANSI/ABMA 19.1:1987 (R2008) - Tapered Roller Bearings - Radial - Metric Design