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PartsTable / COMPONENT / M81793/02-HK4C5XXA1
M81793/02-HK4C5XXA1 ✓ 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 M81793/02-HK4C5XXA1 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 3110-00-686-1055, 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
M81793/02-HK4C5XXA1
NSN: 3110-00-686-1055
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM81793/02-HK4C5XXA1
NSN3110-00-686-1055
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/02-HK4C5XXA1 · 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: 0.1875 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
CALIBRATION DESIGNATOR: C11
•
LOAD DIRECTION: RADIAL
•
SHIELD QUANTITY: 2
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.1875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
CALIBRATION DESIGNATORC11
LOAD DIRECTIONRADIAL
SHIELD QUANTITY2
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO.7
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SR143SSW011Interchangeable
interchangeable cross-reference
interchangeable
D841Interchangeable
interchangeable cross-reference
interchangeable
M81793-BEDEAA0SCB75AB1Interchangeable
interchangeable cross-reference
interchangeable
R3SSW5VCC00-11Interchangeable
Same NIIN cross-reference
interchangeable
R3SSWX423K5VCC0 O-11Interchangeable
Same NIIN cross-reference
interchangeable
M81793-BHKKBA0GCF72SB1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/02-HK4C5XXA1?
M81793/02-HK4C5XXA1 is a M81793/02-HK4C5XXA1.
What parts can replace M81793/02-HK4C5XXA1?
There are 10 known substitutes for M81793/02-HK4C5XXA1: SR143SSW011, D841, M81793-BEDEAA0SCB75AB1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M81793/02-HK4C5XXA1?
M81793/02-HK4C5XXA1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-686-1055. 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