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M81793/04-LB1C1N1E1 — 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 CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_width: 0.2812 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-912-5234, 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
M81793/04-LB1C1N1E1
NSN: 3110-00-912-5234
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
bore_diameter0.3750 INCHES NOMINAL IN
overall_width0.2812 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0001 INCHES MINIMUM RADIAL AND 0.0003 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter0.8750 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-912-5234
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M81793/04-LB1C1N1E1 · 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
•
LOAD DIRECTION: RADIAL
•
RETAINER FABRICATION METHOD: PRESSED
•
SHIELD QUANTITY: 2
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.2812 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE FINISHGROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO.7
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
SHIELD QUANTITY2
INTERNAL CLEARANCE0.0001 INCHES MINIMUM RADIAL AND 0.0003 INCHES MAXIMUM RADIAL IN
LUBRICATION MATERIALGREASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
E115REVBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E115InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
13-2393InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
132392GR1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E259InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
73050HInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81793/04-LB1C1N1E1?
M81793/04-LB1C1N1E1 is a BEARING,BALL,ANNULAR.
What parts can replace M81793/04-LB1C1N1E1?
There are 10 known substitutes for M81793/04-LB1C1N1E1: E115REVB, E115, 13-2393 and 7 more. Substitute compatibility should be verified for your specific system.
Is M81793/04-LB1C1N1E1 still available?
M81793/04-LB1C1N1E1 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: September 2026