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PartsTable / COMPONENT / M81793
M81793 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, bore_shape: STRAIGHT, flange_width: 0.0230 INCHES NOMINAL IN, bore_diameter: 0.0781 INCHES NOMINAL IN, overall_width: 0.0937 INCHES NOMINAL IN, alignment_type: RIGID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-686-1054, 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
NSN: 3110-00-686-1054
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
bore_shapeSTRAIGHT
flange_width0.0230 INCHES NOMINAL IN
bore_diameter0.0781 INCHES NOMINAL IN
overall_width0.0937 INCHES NOMINAL IN
alignment_typeRIGID
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL
flange_outside_diameter0.2960 INCHES NOMINAL IN
NSN3110-00-686-1054
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793 · 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
•
OVERALL OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
•
SHIELD QUANTITY: 2
•
LUBRICATION MATERIAL: OIL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
SHIELD QUANTITY2
LUBRICATION MATERIALOIL
STANDARD TOLERANCE DESIGNATIONABEC NO.7
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
RETAINER FABRICATION METHODPRESSED
CALIBRATION DESIGNATORCB0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
R3SS5V448C0X011Interchangeable
interchangeable cross-reference
interchangeable
R3SS5VC01MILL6085AInterchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793/2Interchangeable
interchangeable cross-reference
interchangeable
R3SSWX423K5VCA0 O-11Interchangeable
interchangeable cross-reference
interchangeable
R3SSWX33K5VCA00-11Interchangeable
interchangeable cross-reference
interchangeable
R3SSW5VCA00-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793?
M81793 is a BEARING,BALL,ANNULAR.
What parts can replace M81793?
There are 20 known substitutes for M81793: R3SS5V448C0X011, R3SS5VC01MILL6085A, MIL-B-81793/2 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M81793?
M81793 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-686-1054. 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