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7-311320121 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

7-311320121: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include end_item_identification: H-64, part_name_assigned_by_controlling_agency: DUPLEX BEARING RETAINER MASKING KIT. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-441-0293, 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
7-311320121
NSN: 3110-01-441-0293
NIINs: 014410293, 015125626, 016865599
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)
SPECIFICATIONS
end_item_identificationH-64
part_name_assigned_by_controlling_agencyDUPLEX BEARING RETAINER MASKING KIT
NSN3110-01-441-0293
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7-311320121 · 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 1
7-311320121-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7-311320121?
7-311320121 is a PLATE,RETAINING,BEARING.
What parts can replace 7-311320121?
There is 1 known substitute for 7-311320121: 7-311320121-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-311320121?
7-311320121 is cataloged in the U.S. Government catalog under NSN 3110-01-441-0293. 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.