2A001 Category 2A

Anti-friction bearings, bearing systems and “components,” as follows, (see List of Items Controlled).

Category 2: Materials Processing

Country chart

Control	Column
AT applies to entire entry	AT 1
MT applies to radial ball bearings having all tolerances specified in accordance with ISO 492 Tolerance Class 2 (or ANSI/ABMA Std 20 Tolerance Class ABEC-9, or other national equivalents) or better and having all the following characteristics: an inner ring bore diameter between 12 and 50 mm; an outer ring outside diameter between 25 and 100 mm; and a width between 10 and 20 mm.	MT 1
NS applies to entire entry	NS 2

List-based license exceptions

Exception	As stated in the entry
LVS	$3000, N/A for MT

Items

Related Controls: (1) See also 2A991. (2) Quiet running bearings are “subject to the ITAR” (see 22 CFR parts 120 through 130.)
Related Definitions: Annular Bearing Engineers Committee (ABEC).
a. Ball bearings and solid roller bearings, having all tolerances specified by the manufacturer in accordance with ISO 492 Tolerance Class 2 or Class 4 (or national equivalents), or better, and having both 'rings' and 'rolling elements', made from monel or beryllium;
b. [Reserved]
c. Active magnetic bearing systems using any of the following, and “specially designed” components therefor:
c.1. Materials with flux densities of 2.0 T or greater and yield strengths greater than 414 MPa;
c.2. All-electromagnetic 3D homopolar bias designs for actuators; or
c.3. High temperature (450 K (177 °C) and above) position sensors.

Notes

Note: 2A001.a includes ball bearing and roller elements “specially designed” for the items specified therein.

Note: 2A001.a does not control tapered roller bearings.

Technical Notes: For the purposes of 2A001.a: 1. 'Ring': is an annular part of a radial rolling bearing incorporating one or more raceways (ISO 5593:1997). 2. 'Rolling element': is a ball or roller which rolls between raceways (ISO 5593:1997).

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.