Top DoD ball and roller bearing manufacturing contractors
In the 12 months ending Oct 5, 2026, the Department of Defense obligated $237.5M in net prime contract dollars under NAICS 332991, down 12.5% from $271.4M in the preceding 12 months. 642 prime contractors received positive obligations, and 41 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Defense. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
DoD publishes contract data to USAspending with a 90-day delay, so the most recent months understate DoD activity.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DoD contractors for NAICS 332991
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Jamaica Bearings Co., Inc. | $38.9M | $48.6M | 16.0% | — |
| 2 | Mechatronics, Inc | $16.8M | $21.1M | 6.9% | — |
| 3 | Sikorsky Aircraft Corporation | $16.8M | $4.5M | 6.9% | ▲ 7 |
| 4 | Goodrich Corporation | $14.3M | $13.2M | 5.9% | — |
| 5 | Intertrade Limited | $10.1M | $3.6M | 4.1% | ▲ 9 |
| 6 | Defense Maritime Solutions, Inc. | $9.0M | $264K | 3.7% | ▲ 125 |
| 7 | Transaero, Inc. | $8.3M | $4.0M | 3.4% | ▲ 5 |
| 8 | Duramax Marine, LLC | $6.2M | $6.4M | 2.5% | ▼ 2 |
| 9 | Lord Corporation | $5.7M | $15.7M | 2.3% | ▼ 6 |
| 10 | RBC Transport Dynamics Corp | $5.6M | $3.1M | 2.3% | ▲ 6 |
| 11 | MPB Corporation | $5.4M | $4.0M | 2.2% | ▲ 2 |
| 12 | SKF USA Inc. | $5.1M | $5.5M | 2.1% | ▼ 5 |
| 13 | RBC Southwest Products, Inc. | $4.8M | $3.0M | 2.0% | ▲ 4 |
| 14 | The Timken Corporation | $3.6M | $4.9M | 1.5% | ▼ 6 |
| 15 | Kampi Components Co Inc | $3.5M | $1.6M | 1.4% | ▲ 17 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Sikorsky Aircraft Corporation$4.5M → $16.8M (+$12.3M) · now #3
- Defense Maritime Solutions, Inc.$264K → $9.0M (+$8.7M) · now #6
- Intertrade Limited$3.6M → $10.1M (+$6.5M) · now #5
Largest declines
- Lord Corporation$15.7M → $5.7M (−$10.0M) · now #9
- Jamaica Bearings Co., Inc.$48.6M → $38.9M (−$9.7M) · now #1
- New Hampshire Ball Bearings Inc$7.8M → $2.6M (−$5.2M) · now #18
New to this market
107 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Flowserve US, Inc. | Oct 10, 2025 | $223K |
| Valor Group LLC | May 20, 2026 | $208K |
| The Timken Company | Apr 13, 2026 | $143K |
| 1al Solutions LLC | May 28, 2026 | $140K |
| Thordon Bearings Inc | Mar 31, 2026 | $130K |
| Heico Aerospace Corp | Feb 26, 2026 | $128K |
| Horizon Aerospace Solutions, LLC | Dec 31, 2025 | $107K |
| Apex Manufacturing Company, Inc. | Oct 23, 2025 | $104K |
Where the money comes from
Funding sub-agencies within the Department of Defense, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Defense Logistics Agency | $222.8M | $245.7M | Down $22.9M (9.3%) |
| Department of the Navy | $9.4M | $13.3M | Down $3.9M (29.2%) |
| Department of the Air Force | $5.2M | $5.9M | Down $653K (11.1%) |
| Department of the Army | $37K | $6.5M | Down $6.5M (99.4%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| N0010422CFA23 | Barber-Nichols, LLC BEARING CARTRIDGE A | $4.3M | Nov 29, 2026 |
| SPRDL125C0089 | Jamaica Bearings Co., Inc. BEARING, BALL, ANNULA NSN: 3110010958792 BASE: 106 OPTION: 106 (EXERCISED AT TIME OF AWARD) | $3.4M | Apr 17, 2027 |
| SPE4A625PW477 | Jamaica Bearings Co. Inc. 8511445495!BEARING,PLAIN,ROD E | $3.9M | May 24, 2027 |
| N0010424CNA17 | Northrop Grumman Systems Corporation CB STATOR SLEEVE | $8.3M | Jun 1, 2027 |
| SPE4A626PF151 | Jamaica Bearings Co., Inc. 8511912981!BEARING,PLAIN,ROD END | $7.0M | Jun 1, 2027 |
| SPE4A525P7845 | Jamaica Bearings Co. Inc. 8511569390!BEARING, PLAIN, ROD END | $3.8M | Jul 19, 2027 |
| SPE4A626PL676 | Transaero, Inc. 8512018651!BEARING,ROLLER,NEEDLE | $6.5M | Nov 4, 2027 |
| SPE4A625PL854 | New Hampshire Ball Bearings Inc 8511284556!BEARING, PLAIN, SELF-ALIGNING | $4.2M | Nov 24, 2027 |
| SPE4A625PD655 | Canadian Commercial Corporation 8511151547!BEARING, ROLLER, CYLINDRICAL | $3.4M | Feb 14, 2028 |
| SPE4A625PE048 | Lord Corporation 8511158231!BEARING,PLAIN,ROD END | $10.9M | Apr 3, 2028 |
Common questions
Who are the top DoD contractors for NAICS 332991?
In the latest 12 months, Jamaica Bearings Co., Inc. ($38.9M), Mechatronics, Inc ($16.8M), Sikorsky Aircraft Corporation ($16.8M) received the most DoD obligations for ball and roller bearing manufacturing.
How concentrated is this market?
The eight largest primes held 49.4% of positive obligations, and Jamaica Bearings Co., Inc. alone held 16.0%. 107 contractors won their first obligations in this market during the latest 12 months.
Are any large DoD NAICS 332991 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is N0010422CFA23 (Barber-Nichols, LLC, $4.3M obligated), ending Nov 29, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
Figures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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