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727731 — BALL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

727731: BALL,BEARING.

The BALL,BEARING is a the manufacturer industrial component. Key specifications include end_item_identification: GEAR REDUCER,HELICAL RF27AM56. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-559-4869, 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
727731
NSN: 3110-01-559-4869
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: R0304 — DESMI PUMPING TECHNOLOGY A/S (DNK)
SPECIFICATIONS
end_item_identificationGEAR REDUCER,HELICAL RF27AM56
NSN3110-01-559-4869
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 727731 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONGEAR REDUCER,HELICAL RF27AM56
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 3
13241273Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
00137138Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
01 252 398 US ITEM 34Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 727731?
727731 is a BALL,BEARING.
What parts can replace 727731?
There are 3 known substitutes for 727731: 13241273, 00137138, 01 252 398 US ITEM 34. Substitute compatibility should be verified for your specific system.
What is the NSN for 727731?
727731 is cataloged in the U.S. Government catalog under NSN 3110-01-559-4869. 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.