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Technical Data Sheet
PartsTable / COMPONENT / M81793/04-MD1J2D1X1
M81793/04-MD1J2D1X1 ✓ 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 M81793/04-MD1J2D1X1 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 3110-01-260-8970, 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
M81793/04-MD1J2D1X1
NSN: 3110-01-260-8970
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM81793/04-MD1J2D1X1
NSN3110-01-260-8970
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/04-MD1J2D1X1 · 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
•
MATERIAL: RUBBER SYNTHETIC SEAL
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL CLEARANCE: 0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
•
CALIBRATION DESIGNATOR: C
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL CORROSION RESISTING RETAINER
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
LUBRICATION MATERIALGREASE
INTERNAL CLEARANCE0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.7
CALIBRATION DESIGNATORC
SURFACE FINISHGROUND
MATERIALSTEEL CORROSION RESISTING OUTER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
177030-106Interchangeable
interchangeable cross-reference
interchangeable
1577Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793CInterchangeable
interchangeable cross-reference
interchangeable
R3DS5172Interchangeable
interchangeable cross-reference
interchangeable
SSRS77R3DZC1826E3Interchangeable
interchangeable cross-reference
interchangeable
MMS1K7DFInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/04-MD1J2D1X1?
M81793/04-MD1J2D1X1 is a M81793/04-MD1J2D1X1.
What parts can replace M81793/04-MD1J2D1X1?
There are 30 known substitutes for M81793/04-MD1J2D1X1: 177030-106, 1577, MIL-B-81793C and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M81793/04-MD1J2D1X1?
M81793/04-MD1J2D1X1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-260-8970. 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