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Technical Data Sheet
PartsTable / COMPONENT / MIL-B-81793/01
MIL-B-81793/01 ✓ 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-81793/01 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 3110-00-198-1454, 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-81793/01
NSN: 3110-00-198-1454
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-B-81793/01
NSN3110-00-198-1454
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793/01 · 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
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
MATERIAL: STEEL OVERALL
•
INTERNAL FIT-UP DESIGNATION: LOOSE
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
BORE DIAMETER0.5000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONLOOSE
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATIONLOOSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
130292A8Interchangeable
interchangeable cross-reference
interchangeable
7400-1Interchangeable
interchangeable cross-reference
interchangeable
ER8Interchangeable
interchangeable cross-reference
interchangeable
R8Interchangeable
interchangeable cross-reference
interchangeable
R8ZJ5EInterchangeable
interchangeable cross-reference
interchangeable
R8XR5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793/01?
MIL-B-81793/01 is a MIL-B-81793/01.
What parts can replace MIL-B-81793/01?
There are 23 known substitutes for MIL-B-81793/01: 130292A8, 7400-1, ER8 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-81793/01?
MIL-B-81793/01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1454. 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