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Technical Data Sheet
PartsTable / COMPONENT / MIL-B-81793/15
MIL-B-81793/15 ✓ 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-81793/15 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 3110-01-059-5724, 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-81793/15
NSN: 3110-01-059-5724
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-B-81793/15
NSN3110-01-059-5724
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793/15 · 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
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL: GREASE
•
FLANGE WIDTH: 0.0360 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
FLANGE OUTSIDE DIAMETER: 0.4220 INCHES NOMINAL IN
•
OUTER RING OUTSIDE DIAMETER: 0.3750 INCHES NOMINAL IN
•
SEAL QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
LUBRICATION MATERIALGREASE
FLANGE WIDTH0.0360 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
FLANGE OUTSIDE DIAMETER0.4220 INCHES NOMINAL IN
OUTER RING OUTSIDE DIAMETER0.3750 INCHES NOMINAL IN
SEAL QUANTITY2
SPECIAL FEATURES35 PCT FULL OF SPEC LUBE
OUTER RING WIDTH0.1250 INCHES NOMINAL IN
SHIELD QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
177030-106Interchangeable
interchangeable cross-reference
interchangeable
1577Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793CInterchangeable
interchangeable cross-reference
interchangeable
R3DS5172Interchangeable
interchangeable cross-reference
interchangeable
SSRS77R3DZC1826E3Interchangeable
interchangeable cross-reference
interchangeable
MMS1K7DFInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793/15?
MIL-B-81793/15 is a MIL-B-81793/15.
What parts can replace MIL-B-81793/15?
There are 29 known substitutes for MIL-B-81793/15: 177030-106, 1577, MIL-B-81793C and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-81793/15?
MIL-B-81793/15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-059-5724. 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