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Technical Data Sheet
PartsTable / COMPONENT / M81793/08-EC1N2N1A1
M81793/08-EC1N2N1A1 ✓ 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 M81793/08-EC1N2N1A1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-057-2593, 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
M81793/08-EC1N2N1A1
NSN: 3110-00-057-2593
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM81793/08-EC1N2N1A1
NSN3110-00-057-2593
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/08-EC1N2N1A1 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
•
FLANGE WIDTH: 0.0230 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
OUTER RING OUTSIDE DIAMETER: 0.3125 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.3590 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
MATERIAL: STEEL CORROSION RESISTING RETAINER
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
FLANGE WIDTH0.0230 INCHES NOMINAL IN
SURFACE FINISHGROUND
OUTER RING OUTSIDE DIAMETER0.3125 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.3590 INCHES NOMINAL IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
BORE SHAPESTRAIGHT
MATERIALSTEEL CORROSION RESISTING RETAINER
MATERIALSTEEL COMP 440C BALL
MATERIALSTEEL COMP 440C INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
SS418FCHHP24L0-1Interchangeable
interchangeable cross-reference
interchangeable
SFR144PPK24Interchangeable
interchangeable cross-reference
interchangeable
603-002-006Interchangeable
interchangeable cross-reference
interchangeable
1016609Interchangeable
interchangeable cross-reference
interchangeable
MILB23063Interchangeable
interchangeable cross-reference
interchangeable
297549Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/08-EC1N2N1A1?
M81793/08-EC1N2N1A1 is a M81793/08-EC1N2N1A1.
What parts can replace M81793/08-EC1N2N1A1?
There are 33 known substitutes for M81793/08-EC1N2N1A1: SS418FCHHP24L0-1, SFR144PPK24, 603-002-006 and 30 more. Substitute compatibility should be verified for your specific system.
Is M81793/08-EC1N2N1A1 still available?
M81793/08-EC1N2N1A1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026