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PartsTable / COMPONENT / M81793/03-NB4CXN1E1
M81793/03-NB4CXN1E1 ✓ 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-NB4CXN1E1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2531, 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-NB4CXN1E1
NSN: 3110-00-227-2531
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM81793/03-NB4CXN1E1
NSN3110-00-227-2531
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/03-NB4CXN1E1 · 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
•
LUBRICATION MATERIAL: GREASE
•
SHIELD QUANTITY: 2
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIALGREASE
SHIELD QUANTITY2
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.5
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
VSR2SSW3CF5G2Interchangeable
interchangeable cross-reference
interchangeable
SR2RHH5P24ZDL01Interchangeable
interchangeable cross-reference
interchangeable
405002-3Interchangeable
interchangeable cross-reference
interchangeable
SR166SSW3CG32Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793DInterchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793/4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/03-NB4CXN1E1?
M81793/03-NB4CXN1E1 is a M81793/03-NB4CXN1E1.
What parts can replace M81793/03-NB4CXN1E1?
There are 22 known substitutes for M81793/03-NB4CXN1E1: VSR2SSW3CF5G2, SR2RHH5P24ZDL01, 405002-3 and 19 more. Substitute compatibility should be verified for your specific system.
Is M81793/03-NB4CXN1E1 still available?
M81793/03-NB4CXN1E1 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