2B229 Category 2B

Centrifugal multiplane balancing machines, fixed or portable, horizontal or vertical, as follows (see List of Items Controlled).

Category 2: Materials Processing

Reasons for control

• NP: Nuclear nonproliferation
• AT: Anti-terrorism

Country chart

List-based license exceptions

Items

1. Items: a. Centrifugal balancing machines designed for balancing flexible rotors having a length of 600 mm or more and having all of the following characteristics:
2. a.1. Swing or journal diameter greater than 75 mm;
3. a.2. Mass capability of from 0.9 to 23 kg; and
4. a.3. Capable of balancing speed of revolution greater than 5,000 r.p.m.;
5. b. Centrifugal balancing machines designed for balancing hollow cylindrical rotor “parts” or “components” and having all of the following characteristics:
6. b.1. Journal diameter greater than 75 mm;
7. b.2. Mass capability of from 0.9 to 23 kg;
8. b.3. A minimum achievable residual specific unbalance equal to or less than 10 g-mm/kg per plane; and
9. b.4. Belt drive type.

Related controls

(1) See ECCN 2D201 for “software” for items controlled under this entry. (2) See ECCNs 2E001 (“development”), 2E002 (“production”), and 2E201 (“use”) for technology for items controlled under this entry.

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