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Technical Data Sheet
PartsTable / COMPONENT / MIL-B-81793/08
MIL-B-81793/08 ✓ 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-81793/08 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-066-1620, 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-81793/08
NSN: 3110-00-066-1620
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-B-81793/08
NSN3110-00-066-1620
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793/08 · 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 DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
SHIELD QUANTITY: 1
•
FLANGE OUTSIDE DIAMETER: 0.5650 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
OUTER RING OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.0420 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL WIDTH0.1960 INCHES NOMINAL IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SHIELD QUANTITY1
FLANGE OUTSIDE DIAMETER0.5650 INCHES NOMINAL IN
SURFACE FINISHGROUND
OUTER RING OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
FLANGE WIDTH0.0420 INCHES NOMINAL IN
LUBRICATION MATERIALOIL
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1049-139Interchangeable
interchangeable cross-reference
interchangeable
238-16-00-66Interchangeable
interchangeable cross-reference
interchangeable
SFR3FF3-0-11Interchangeable
interchangeable cross-reference
interchangeable
M81793/08-HB2J2N1A1Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793/08Interchangeable
interchangeable cross-reference
interchangeable
M81793-DHGHAX1SEE71AB1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793/08?
MIL-B-81793/08 is a MIL-B-81793/08.
What parts can replace MIL-B-81793/08?
There are 21 known substitutes for MIL-B-81793/08: 1049-139, 238-16-00-66, SFR3FF3-0-11 and 18 more. Substitute compatibility should be verified for your specific system.
Is MIL-B-81793/08 still available?
MIL-B-81793/08 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