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Technical Data Sheet
PartsTable / COMPONENT / 7901123-13
7901123-13 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING is a the manufacturer industrial component. Key specifications include end_item_identification: (DSCS) TERMINALS AN/FSC-78/79. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-897-9516, 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
7901123-13
NSN: 3110-00-897-9516
FSC: 3110
CAGE: 90536 — LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN (USA)
SPECIFICATIONS
end_item_identification(DSCS) TERMINALS AN/FSC-78/79
NSN3110-00-897-9516
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7901123-13 · 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 (FLIS)
END ITEM IDENTIFICATION(DSCS) TERMINALS AN/FSC-78/79
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MIL-PRF-26/4Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-26/4Interchangeable
interchangeable cross-reference
interchangeable
EL21-3W601PORM5Interchangeable
interchangeable cross-reference
interchangeable
142842Interchangeable
interchangeable cross-reference
interchangeable
142807Interchangeable
interchangeable cross-reference
interchangeable
5432-10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7901123-13?
7901123-13 is a BEARING.
What parts can replace 7901123-13?
There are 7 known substitutes for 7901123-13: MIL-PRF-26/4, MIL-R-26/4, EL21-3W601PORM5 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7901123-13?
7901123-13 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-897-9516. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026