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431437 — BEARING,ROLLER,THRUST

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

431437: BEARING,ROLLER,THRUST.

The BEARING,ROLLER,THRUST is a the manufacturer industrial component. Key specifications include end_item_identification: STBD MAIN REDUCTION GEAR ASSY. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-337-7123, 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
431437
NSN: 3110-01-337-7123
NIINs: 013377123, 015014197
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
end_item_identificationSTBD MAIN REDUCTION GEAR ASSY
NSN3110-01-337-7123
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 431437 · 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 IDENTIFICATIONSTBD MAIN REDUCTION GEAR ASSY
SUBSTITUTES & CROSS-REFERENCES 1
2107093 ITEM 35Same 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 431437?
431437 is a BEARING,ROLLER,THRUST.
What parts can replace 431437?
There is 1 known substitute for 431437: 2107093 ITEM 35. Substitute compatibility should be verified for your specific system.
What is the NSN for 431437?
431437 is cataloged in the U.S. Government catalog under NSN 3110-01-337-7123. 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.