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Technical Data Sheet
PartsTable / COMPONENT / MIL-B-81793
MIL-B-81793 ✓ 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 CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_width: 0.1960 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-007-2941, 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
MIL-B-81793
NSN: 3110-00-007-2941
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.1960 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_featuresI.D.
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter0.6250 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-007-2941
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793 · 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
•
OUTER RING OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.0420 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.5650 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.1960 INCHES NOMINAL IN
OUTER RING OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
FLANGE WIDTH0.0420 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.5650 INCHES NOMINAL IN
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.3
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
LOAD DIRECTIONRADIAL
MATERIALSTEEL CORROSION RESISTING OVERALL
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793?
MIL-B-81793 is a BEARING,BALL,ANNULAR.
What is the NSN for MIL-B-81793?
MIL-B-81793 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-007-2941. 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