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Technical Data Sheet
PartsTable / COMPONENT / M81793/03-EH1N2N1A1
M81793/03-EH1N2N1A1 ✓ 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 M81793/03-EH1N2N1A1 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-0976, 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
M81793/03-EH1N2N1A1
NSN: 3110-00-198-0976
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM81793/03-EH1N2N1A1
NSN3110-00-198-0976
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/03-EH1N2N1A1 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
BORE DIAMETER: 0.0938 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 0.3125 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL WIDTH0.1094 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL CORROSION RESISTING OVERALL
BORE DIAMETER0.0938 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.3125 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
SS5Interchangeable
interchangeable cross-reference
interchangeable
374-8977Interchangeable
interchangeable cross-reference
interchangeable
HG4Interchangeable
interchangeable cross-reference
interchangeable
EH8-18Interchangeable
interchangeable cross-reference
interchangeable
S041-18Interchangeable
interchangeable cross-reference
interchangeable
DAA7278G307-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/03-EH1N2N1A1?
M81793/03-EH1N2N1A1 is a M81793/03-EH1N2N1A1.
What parts can replace M81793/03-EH1N2N1A1?
There are 13 known substitutes for M81793/03-EH1N2N1A1: SS5, 374-8977, HG4 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M81793/03-EH1N2N1A1?
M81793/03-EH1N2N1A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-0976. 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