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M81793/2-HB1C2N1A — Technical Data Sheet

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— · 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 RETAINER, bore_shape: STRAIGHT, bore_diameter: 0.1875 INCHES NOMINAL IN, overall_width: 0.1250 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-820-9407, 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
M81793/2-HB1C2N1A
NSN: 3110-00-820-9407
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL RETAINER
bore_shapeSTRAIGHT
bore_diameter0.1875 INCHES NOMINAL IN
overall_width0.1250 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialOIL
overall_outside_diameter0.3125 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
NSN3110-00-820-9407
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/2-HB1C2N1A · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.1250 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.7
SURFACE FINISHGROUND
SHIELD QUANTITY2
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALOIL
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
R3SS5V448C0X011InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R3SS5VC01MILL6085AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-B-81793/2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R3SSWX423K5VCA0 O-11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R3SSWX33K5VCA00-11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R3SSW5VCA00-11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/2-HB1C2N1A?
M81793/2-HB1C2N1A is a BEARING,BALL,ANNULAR.
What parts can replace M81793/2-HB1C2N1A?
There are 17 known substitutes for M81793/2-HB1C2N1A: R3SS5V448C0X011, R3SS5VC01MILL6085A, MIL-B-81793/2 and 14 more. Substitute compatibility should be verified for your specific system.
Is M81793/2-HB1C2N1A still available?
M81793/2-HB1C2N1A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026