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20729473 — SEAL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

20729473: SEAL,BEARING.

The SEAL,BEARING is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT, HAWKEYE E2C. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-515-7978, 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
20729473
NSN: 3110-01-515-7978
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 98523 — JERED LLC (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT, HAWKEYE E2C
NSN3110-01-515-7978
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 20729473 · 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
SUBSTITUTES & CROSS-REFERENCES 4
20729002 P/O FN 50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
173998Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
20729420 FN 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
20729420Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20729473?
20729473 is a SEAL,BEARING.
What parts can replace 20729473?
There are 4 known substitutes for 20729473: 20729002 P/O FN 50, 173998, 20729420 FN 6 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20729473?
20729473 is cataloged in the U.S. Government catalog under NSN 3110-01-515-7978. 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.