What is NAICS code 332991?

NAICS 332991 is the industry "Ball and Roller Bearing Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).

What is the size standard for NAICS 332991?

The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 332991 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 332991: Ball and Roller Bearing Manufacturing

NAICS code 332991 is the industry for ball and roller bearing manufacturing in the Manufacturing sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.

Government contracts under NAICS 332991

Federal agencies obligated $722M on contracts under NAICS 332991 from FY2024 to FY2026, including $253M in FY2026. The biggest buyers were the Department of Defense, the Department of Transportation, the Department of Homeland Security. The largest contractors were Jamaica Bearings Co., Inc., Mechatronics, Inc, Goodrich Corporation.

See the full breakdown: government ball and roller bearing manufacturing contracts, who wins and who buys.

Open government bids for NAICS 332991

The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.

31--BEARING,SLEEVEClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 332991
Posted Nov 1, 2026 · Responses due Nov 9, 2026
31--ROLLER,BEARINGClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 332991 · Small Business Set Aside - Total
Posted Nov 1, 2026 · Responses due Nov 9, 2026
31--BUSHING,SLEEVEClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 332991
Posted Nov 1, 2026 · Responses due Nov 9, 2026
31--BEARING,BALL,ANNULARClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 332991
Posted Nov 1, 2026 · Responses due Nov 9, 2026
31--BEARING,ROLLER,CYLINDRClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 332991
Posted Nov 1, 2026 · Responses due Nov 9, 2026

See all 21 open bids under NAICS 332991

Small business size standard for NAICS 332991

To bid on small business set-aside contracts under NAICS 332991, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.

Other NAICS codes in 3329

How to choose the right NAICS code

Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.

Related guides

Frequently asked questions

What is NAICS code 332991?: NAICS 332991 is the industry "Ball and Roller Bearing Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).
What is the size standard for NAICS 332991?: The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 332991 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 332991?: Yes. Federal agencies obligated $722M on contracts under NAICS 332991 from FY2024 to FY2026, and 21 notices are open right now.