332991

Ball and Roller Bearing Manufacturing

Manufacturing › Fabricated Metal Product Manufacturing › Other Fabricated Metal Product Manufacturing

SBA Size Standard

1,250 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

332

Subsector

Fabricated Metal Product Manufacturing

3329

Industry Group

Other Fabricated Metal Product Manufacturing

332991

National Industry (This Code)

Ball and Roller Bearing Manufacturing

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments primarily engaged in manufacturing ball and roller bearings of all materials.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

1,250 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 332991

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Establishments primarily engaged in manufacturing plain bearings are classified in U.S. Industry 333613, Mechanical Power Transmission Equipment Manufacturing.

How to Use NAICS 332991 in SAM.gov

NAICS code 332991Ball and Roller Bearing Manufacturing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Other Fabricated Metal Product Manufacturing space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,250 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 332991.

Log in Entity Registration Goods & Services Add NAICS Code Enter 332991 Save

Frequently Asked Questions

What is NAICS code 332991?

NAICS code 332991 is 'Ball and Roller Bearing Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in manufacturing ball and roller bearings of all materials. Cross-References.

What is the SBA small business size standard for NAICS code 332991?

The SBA defines a small business under NAICS code 332991 (Ball and Roller Bearing Manufacturing) as one with 1,250 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 332991 in SAM.gov?

To register NAICS code 332991 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 332991 (Ball and Roller Bearing Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Other Fabricated Metal Product Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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