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Technical Data Sheet
PartsTable / COMPONENT / MIL-B-81793/3
MIL-B-81793/3 ✓ 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 MIL-B-81793/3 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 3110-00-051-6893, 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
MIL-B-81793/3
NSN: 3110-00-051-6893
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-B-81793/3
NSN3110-00-051-6893
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793/3 · 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
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
•
SEAL QUANTITY: 2
•
BEARING SEAL TYPE: CONTACT
•
MATERIAL: STEEL COMP 440C BALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.7
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
MATERIALSTEEL COMP 440C BALL
MATERIALSTEEL COMP 440C RETAINER
MATERIALPLASTIC SEAL
MATERIALSTEEL COMP 440C INNER RING
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
S814CZZLY70Interchangeable
Same NIIN cross-reference
interchangeable
M81793-BIKLAN21EC71AS1Interchangeable
Same NIIN cross-reference
interchangeable
3153601-16Interchangeable
Same NIIN cross-reference
interchangeable
SSRI-814LLA5P25LG54Interchangeable
Same NIIN cross-reference
interchangeable
M81793/03JD1J2N1E1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793/3?
MIL-B-81793/3 is a MIL-B-81793/3.
What parts can replace MIL-B-81793/3?
There are 5 known substitutes for MIL-B-81793/3: S814CZZLY70, M81793-BIKLAN21EC71AS1, 3153601-16 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-81793/3?
MIL-B-81793/3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-051-6893. 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