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Technical Data Sheet
PartsTable / COMPONENT / MIL-B-81793/C
MIL-B-81793/C ✓ 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/C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-763-7685, 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/C
NSN: 3110-00-763-7685
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/C
NSN3110-00-763-7685
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793/C · 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
•
OVERALL OUTSIDE DIAMETER: 0.3750 INCHES NOMINAL IN
•
BORE DIAMETER: 0.1250 INCHES NOMINAL IN
•
LUBRICATION MATERIAL: OIL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER0.3750 INCHES NOMINAL IN
BORE DIAMETER0.1250 INCHES NOMINAL IN
LUBRICATION MATERIALOIL
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.7
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
B124MATCHEDSET0F2Interchangeable
interchangeable cross-reference
interchangeable
B124MATCH2Interchangeable
interchangeable cross-reference
interchangeable
B124Interchangeable
interchangeable cross-reference
interchangeable
177030-106Interchangeable
interchangeable cross-reference
interchangeable
1577Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793/C?
MIL-B-81793/C is a MIL-B-81793/C.
What parts can replace MIL-B-81793/C?
There are 30 known substitutes for MIL-B-81793/C: B124MATCHEDSET0F2, B124MATCH2, B124 and 27 more. Substitute compatibility should be verified for your specific system.
Is MIL-B-81793/C still available?
MIL-B-81793/C 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