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Technical Data Sheet
PartsTable / COMPONENT / M81793/02-HK1C5N2A1
M81793/02-HK1C5N2A1 ✓ 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-HK1C5N2A1 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 3110-00-293-9114, 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-HK1C5N2A1
NSN: 3110-00-293-9114
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM81793/02-HK1C5N2A1
NSN3110-00-293-9114
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/02-HK1C5N2A1 · 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: 0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
•
SHIELD QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
RETAINER FABRICATION METHODPRESSED
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.7
SPECIAL FEATUREST0RQUE TESTED,INNER AND OUTER RING RUNOUT 0.0002 IN. IN
SHIELD QUANTITY2
LUBRICATION MATERIALOIL
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
R3SSWX423K5VCA0 O-11Interchangeable
interchangeable cross-reference
interchangeable
R3SSWX33K5VCA00-11Interchangeable
interchangeable cross-reference
interchangeable
R3SSW5VCA00-11Interchangeable
interchangeable cross-reference
interchangeable
R3ZZRA7CB0P58T50L01Interchangeable
interchangeable cross-reference
interchangeable
2504900-2Interchangeable
interchangeable cross-reference
interchangeable
R3SSWX423K5VCB0 O-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/02-HK1C5N2A1?
M81793/02-HK1C5N2A1 is a M81793/02-HK1C5N2A1.
What parts can replace M81793/02-HK1C5N2A1?
There are 13 known substitutes for M81793/02-HK1C5N2A1: R3SSWX423K5VCA0 O-11, R3SSWX33K5VCA00-11, R3SSW5VCA00-11 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M81793/02-HK1C5N2A1?
M81793/02-HK1C5N2A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-293-9114. 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