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MIL-B-81793/7 — Technical Data Sheet

✓ 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 RETAINER, bore_shape: STRAIGHT, flange_width: 0.0230 INCHES NOMINAL IN, bore_diameter: 0.0548 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN, overall_width: 0.0771 INCHES MINIMUM AND 0.0781 INCHES MAXIMUM IN, load_direction: RADIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1763, 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-81793/7
NSN: 3110-00-198-1763
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL CORROSION RESISTING RETAINER
bore_shapeSTRAIGHT
flange_width0.0230 INCHES NOMINAL IN
bore_diameter0.0548 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
overall_width0.0771 INCHES MINIMUM AND 0.0781 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresLUBRICATION OIL CENTRIFUGED
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialOIL
flange_outside_diameter0.2340 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
NSN3110-00-198-1763
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-81793/7 · 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
•
FLANGE OUTSIDE DIAMETER: 0.2344 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
BORE DIAMETER: 0.0550 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.0230 INCHES NOMINAL IN
•
OUTER RING OUTSIDE DIAMETER: 0.1875 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.2344 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.5
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
BORE DIAMETER0.0550 INCHES NOMINAL IN
FLANGE WIDTH0.0230 INCHES NOMINAL IN
OUTER RING OUTSIDE DIAMETER0.1875 INCHES NOMINAL IN
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
77NM082C4F5UInterchangeable
interchangeable cross-reference
interchangeable
9072532Interchangeable
interchangeable cross-reference
interchangeable
SS518FCHHP48L011Interchangeable
interchangeable cross-reference
interchangeable
SR4FR5P58LO1Interchangeable
interchangeable cross-reference
interchangeable
M81793/07-JE1N5N1A1Interchangeable
interchangeable cross-reference
interchangeable
260157Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-81793/7?
MIL-B-81793/7 is a BEARING,BALL,ANNULAR.
What parts can replace MIL-B-81793/7?
There are 31 known substitutes for MIL-B-81793/7: 77NM082C4F5U, 9072532, SS518FCHHP48L011 and 28 more. Substitute compatibility should be verified for your specific system.
Is MIL-B-81793/7 still available?
MIL-B-81793/7 is currently cancelled.
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Last verified: September 2026