Federal NAICS Codes

NAICS 332991: Ball and Roller Bearing Manufacturing

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 332991.

NAICS 332991 federal market metrics

Total obligations
$4.1B
Total awards
224,913 awards
Active obligations
$317.4M
Size standard
1,250 employees

What this NAICS covers

NAICS 332991 covers manufacturing ball and roller bearings and related precision bearing components, including turning, grinding, heat treatment, assembly, precision inspection, and production of finished bearings and bearing assemblies.

Federal opportunities under 332991 typically involve providing precision bearings and assemblies that meet specified dimensional and performance tolerances, including inspection and lot traceability records, production testing, packaging for durability, inventory delivery, and aftermarket spare provisioning.

FY2025 snapshot

Obligations
$284.1M
Awards
14,421
Average award
$19.7K
Change from FY2024
+40.7%

Recent awards

Search contractors

$113,060

KINGSBURY, INC.

Federal Aviation Administration

PIID
6973GH26P02658
PSC
5920 - FUSES, ARRESTORS, ABSORBERS, AND PROTECTORS

$166,080

KINGSBURY, INC.

Federal Aviation Administration

PIID
6973GH26P02661
PSC
5920 - FUSES, ARRESTORS, ABSORBERS, AND PROTECTORS

$96,312

DURAMAX MARINE, LLC

US Coast Guard

PIID
70Z08026P20138B00
PSC
3120 - BEARINGS, PLAIN, UNMOUNTED

$3,688

RED HILL VENTURES LLC

Department of State

PIID
19AQMS26P0178
PSC
3110 - BEARINGS, ANTIFRICTION, UNMOUNTED

$6,732

AVIARMS SUPPORT CORP

Defense Logistics Agency

PIID
SPE4A626PS111
PSC
3110 - BEARINGS, ANTIFRICTION, UNMOUNTED

$550

BEAM DISTRIBUTING, INC.

Defense Logistics Agency

PIID
SPE8EN26V0701
PSC
6760 - PHOTOGRAPHIC EQUIPMENT AND ACCESSORIES

FAQ

What work fits NAICS 332991?
  • Procurement of precision radial ball bearings manufactured to OEM drawing tolerances with material certificates and dimensional inspection reports.
  • Supply of tapered roller bearing assemblies for heavy equipment delivered as matched sets with hardness and traceability documentation.
  • Delivery of sealed bearing units for electric motors and HVAC equipment including lubrication specifications and installation fit dimensions.
  • Stocking contract for replacement bearing kits containing matched bearings, seals, and installation shims with serialized part traceability for maintenance programs.
When is NAICS 332991 a weak fit?
  • Bearing repair and onsite reconditioning contracts where the scope is overhaul and refurbishment of installed bearings rather than supply of new manufactured bearings.
  • Shaft, hub, or housing machining contracts where bearings are incidental components and the primary deliverable is turned or bored metalwork rather than precision bearing manufacture.
  • Supply of polymer or pressed-portion bushings where material, heat treatment, and precision grinding requirements of metal bearings are absent.
What solicitation language points to NAICS 332991?
  • Line items reference bearing part numbers with specified tolerances, material specifications, hardness ranges, and drawing callouts.
  • Proposal instructions request factory inspection reports, material traceability certificates, dimensional inspection results, and heat-treatment records for delivered bearings.
  • Evaluation factors include production capacity for matched sets, lead time for serialized parts, and QA procedures for grinding, heat treatment, and lot acceptance testing.

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