PartsTable
Technical Data Sheet
PartsTable / COMPONENT / MIL-B-81793/08-JE1B2N1A1
MIL-B-81793/08-JE1B2N1A1 ✓ 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-JE1B2N1A1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-250-9599, 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-JE1B2N1A1
NSN: 3110-00-250-9599
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-JE1B2N1A1
NSN3110-00-250-9599
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793/08-JE1B2N1A1 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
BORE SHAPE: STRAIGHT
•
SHIELD QUANTITY: 1
•
LOAD DIRECTION: RADIAL
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL CORROSION RESISTING OVERALL
BORE SHAPESTRAIGHT
SHIELD QUANTITY1
LOAD DIRECTIONRADIAL
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
OUTER RING OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
FLANGE WIDTH0.0420 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
VSMPA3889-1Interchangeable
interchangeable cross-reference
interchangeable
2326793Interchangeable
interchangeable cross-reference
interchangeable
2450-01-1Interchangeable
interchangeable cross-reference
interchangeable
401665Interchangeable
interchangeable cross-reference
interchangeable
D48284Interchangeable
interchangeable cross-reference
interchangeable
400145Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793/08-JE1B2N1A1?
MIL-B-81793/08-JE1B2N1A1 is a MIL-B-81793/08-JE1B2N1A1.
What parts can replace MIL-B-81793/08-JE1B2N1A1?
There are 10 known substitutes for MIL-B-81793/08-JE1B2N1A1: VSMPA3889-1, 2326793, 2450-01-1 and 7 more. Substitute compatibility should be verified for your specific system.
Is MIL-B-81793/08-JE1B2N1A1 still available?
MIL-B-81793/08-JE1B2N1A1 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