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12277551 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12277551: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include load_direction: RADIAL, surface_finish: GROUND, end_item_identification: NSN 2350-01-045-1123 IMPROVE TOW VEH. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-102-6928, 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
12277551
NSN: 3110-01-102-6928
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
load_directionRADIAL
surface_finishGROUND
end_item_identificationNSN 2350-01-045-1123 IMPROVE TOW VEH
NSN3110-01-102-6928
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12277551 · 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
KEY FEATURES
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
END ITEM IDENTIFICATIONNSN 2350-01-045-1123 IMPROVE TOW VEH
SUBSTITUTES & CROSS-REFERENCES 5
AMVFS3KDDReference document
Same NSN cross-reference
Reference document — Secondary reference
SFR6PPReference document
Same NSN cross-reference
Reference document — Secondary reference
SFR6SSReference document
Same NSN cross-reference
Reference document — Secondary reference
RKZ12028X48A7Reference document
Same NSN cross-reference
Reference document — Secondary reference
RS77NR6DDReference 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 12277551?
12277551 is a BEARING,BALL,ANNULAR.
What parts can replace 12277551?
There are 5 known substitutes for 12277551: AMVFS3KDD, SFR6PP, SFR6SS and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12277551?
12277551 is cataloged in the U.S. Government catalog under NSN 3110-01-102-6928. 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.