Specifies the characteristics, boundary dimensions, tolerances, internal clearances and permissible loads of inch series, single row, self-aligning, sealed, light duty ball bearings used in airframe applications.
ANSI/ABMA/ISO 14221:1998 history
1998ANSI/ABMA/ISO 14221:1998 Aerospace - Airframe ball bearings, single row, self-aligning, precision, sealed, light duty - Inch series