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Technical Data Sheet
PartsTable / COMPONENT / MIL-B-81793/08-JD4J2N1
MIL-B-81793/08-JD4J2N1 ✓ 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-JD4J2N1 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 3110-01-384-7762, 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-JD4J2N1
NSN: 3110-01-384-7762
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-JD4J2N1
NSN3110-01-384-7762
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793/08-JD4J2N1 · 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
•
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
•
OUTER RING OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
FLANGE OUTSIDE DIAMETER: 0.5470 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
BEARING SEAL TYPE: CONTACT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.2500 INCHES NOMINAL IN
OUTER RING OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
FLANGE OUTSIDE DIAMETER0.5470 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
BEARING SEAL TYPECONTACT
INTERNAL FIT-UP DESIGNATIONSTANDARD
ALIGNMENT TYPERIGID
FLANGE WIDTH0.0450 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
VSR2SSW3CF5G2Interchangeable
interchangeable cross-reference
interchangeable
SR2RHH5P24ZDL01Interchangeable
interchangeable cross-reference
interchangeable
405002-3Interchangeable
interchangeable cross-reference
interchangeable
SSRS77R10XR5E5Interchangeable
interchangeable cross-reference
interchangeable
7599556Interchangeable
interchangeable cross-reference
interchangeable
SR166SSW3CG32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793/08-JD4J2N1?
MIL-B-81793/08-JD4J2N1 is a MIL-B-81793/08-JD4J2N1.
What parts can replace MIL-B-81793/08-JD4J2N1?
There are 16 known substitutes for MIL-B-81793/08-JD4J2N1: VSR2SSW3CF5G2, SR2RHH5P24ZDL01, 405002-3 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-81793/08-JD4J2N1?
MIL-B-81793/08-JD4J2N1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-384-7762. 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