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Technical Data Sheet
PartsTable / COMPONENT / M81793/04-FG4N2N1A1
M81793/04-FG4N2N1A1 ✓ 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 M81793/04-FG4N2N1A1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-4781, 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
M81793/04-FG4N2N1A1
NSN: 3110-00-227-4781
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM81793/04-FG4N2N1A1
NSN3110-00-227-4781
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/04-FG4N2N1A1 · 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
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 0.1250 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
BORE DIAMETER0.1250 INCHES NOMINAL IN
OVERALL WIDTH0.1562 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.7
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
SR2Interchangeable
interchangeable cross-reference
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R2Z4VInterchangeable
interchangeable cross-reference
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136317Interchangeable
interchangeable cross-reference
interchangeable
BS637APC363Interchangeable
interchangeable cross-reference
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BS636APC363Interchangeable
interchangeable cross-reference
interchangeable
48403Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/04-FG4N2N1A1?
M81793/04-FG4N2N1A1 is a M81793/04-FG4N2N1A1.
What parts can replace M81793/04-FG4N2N1A1?
There are 22 known substitutes for M81793/04-FG4N2N1A1: SR2, R2Z4V, 136317 and 19 more. Substitute compatibility should be verified for your specific system.
Is M81793/04-FG4N2N1A1 still available?
M81793/04-FG4N2N1A1 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