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BPU-3999 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BPU-3999: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3110-01-324-0899, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
BPU-3999
NSN: 3110-01-324-0899
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 42280 — GARDNER DENVER NASH LLC DBA GARDNER DENVER ENGINEERED PRODUCTS GROUP DIV GARDNER DENVER NASH (USA)
SPECIFICATIONS
Part NumberBPU-3999
NSN3110-01-324-0899
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BPU-3999 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 2
PU-3999Reference document
Same NSN cross-reference
Reference document — Secondary reference
2700623-059Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BPU-3999?
BPU-3999 is a BEARING,BALL,ANNULAR.
What parts can replace BPU-3999?
There are 2 known substitutes for BPU-3999: PU-3999, 2700623-059. Substitute compatibility should be verified for your specific system.
What is the NSN for BPU-3999?
BPU-3999 is cataloged in the U.S. Government catalog under NSN 3110-01-324-0899. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.