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581-6726890-38 — BEARING,PLAIN,SPHERICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

581-6726890-38: BEARING,PLAIN,SPHERICAL.

The BEARING,PLAIN,SPHERICAL is a the manufacturer industrial component. Key specifications include material: NICKEL AND COPPER OVERALL, special_features: NEXT HIGHER ASSEMBLY IS FWD AND AFT COMPLIANT SHEAVE ASSEMBLY, end_item_identification: SEAFWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-487-6373, 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
581-6726890-38
NSN: 3120-01-487-6373
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL AND COPPER OVERALL
special_featuresNEXT HIGHER ASSEMBLY IS FWD AND AFT COMPLIANT SHEAVE ASSEMBLY
end_item_identificationSEAFWOLF CLASS SSN
NSN3120-01-487-6373
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 581-6726890-38 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: NICKEL AND COPPER OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNEXT HIGHER ASSEMBLY IS FWD AND AFT COMPLIANT SHEAVE ASSEMBLY
END ITEM IDENTIFICATIONSEAFWOLF CLASS SSN
MATERIALNICKEL AND COPPER OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
6726890Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
14985726Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 581-6726890-38?
581-6726890-38 is a BEARING,PLAIN,SPHERICAL.
What parts can replace 581-6726890-38?
There are 2 known substitutes for 581-6726890-38: 6726890, 14985726. Substitute compatibility should be verified for your specific system.
What is the NSN for 581-6726890-38?
581-6726890-38 is cataloged in the U.S. Government catalog under NSN 3120-01-487-6373. 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.