2022 NAICS national industry in sector 31-33 Manufacturing
332991 Ball and Roller Bearing Manufacturing
NAICS 332991 is the US industry code for ball and roller bearing manufacturing. This U.S.
- Code
- 332991 (2022 NAICS)
- Title
- Ball and Roller Bearing Manufacturing
- Part of
- All Other Fabricated Metal Product Manufacturing
- SBA small business limit
- Up to 1,250 employees
- Closest UK SIC
- 28140 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This U.S. industry comprises establishments primarily engaged in manufacturing ball and roller bearings of all materials.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Establishments primarily engaged in manufacturing plain bearings are classified in U.S. Industry 333613, Mechanical Power Transmission Equipment Manufacturing.
Activities listed under 332991
The Census index assigns these 13 activities to this code. If your business matches one, this is your code.
- Annular ball bearings manufacturing
- Ball bearings manufacturing
- Bearings, ball and roller, manufacturing
- Cylindrical roller bearings manufacturing
- Flange units, ball or roller bearing, manufacturing
- Linear ball bearings manufacturing
- Linear roller bearings manufacturing
- Needle roller bearings manufacturing
- Pillow blocks with ball or roller bearings manufacturing
- Races, ball or roller bearings, manufacturing
- Roller bearings manufacturing
- Tapered roller bearings manufacturing
- Thrust roller bearings manufacturing
SBA size standard for 332991
To count as a small business for SBA loans and federal contracts under NAICS 332991, your business (including affiliates) must not exceed 1,250 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2814), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.