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Technical Data Sheet
PartsTable / COMPONENT / M81793/08-HB2J2N1A1
M81793/08-HB2J2N1A1 ✓ 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 M81793/08-HB2J2N1A1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-180-6785, 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
M81793/08-HB2J2N1A1
NSN: 3110-00-180-6785
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM81793/08-HB2J2N1A1
NSN3110-00-180-6785
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/08-HB2J2N1A1 · 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
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
•
FLANGE OUTSIDE DIAMETER: 0.4220 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SEAL TYPECONTACT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
BEARING SEAL TYPECONTACT
LOAD DIRECTIONRADIAL
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
FLANGE OUTSIDE DIAMETER0.4220 INCHES NOMINAL IN
FLANGE WIDTH0.0310 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
45-000-35Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793/08Interchangeable
interchangeable cross-reference
interchangeable
1225768PC35Interchangeable
interchangeable cross-reference
interchangeable
1049-139Interchangeable
interchangeable cross-reference
interchangeable
238-16-00-66Interchangeable
interchangeable cross-reference
interchangeable
SFR3FF3-0-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/08-HB2J2N1A1?
M81793/08-HB2J2N1A1 is a M81793/08-HB2J2N1A1.
What parts can replace M81793/08-HB2J2N1A1?
There are 17 known substitutes for M81793/08-HB2J2N1A1: 45-000-35, MIL-B-81793/08, 1225768PC35 and 14 more. Substitute compatibility should be verified for your specific system.
Is M81793/08-HB2J2N1A1 still available?
M81793/08-HB2J2N1A1 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