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Technical Data Sheet
PartsTable / COMPONENT / LL313-3
LL313-3 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: STEEL OVERALL, style_designator: BALL, rolling_element_diameter: 0.4375 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 50. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-6184, 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
LL313-3
NSN: 3110-00-100-6184
FSC: 3110
CAGE: 46717 — PETTIBONE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
style_designatorBALL
rolling_element_diameter0.4375 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR BALLS, GRADE 50
NSN3110-00-100-6184
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: LL313-3 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR BALLS, GRADE 50
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: BALL
•
ROLLING ELEMENT DIAMETER: 0.4375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 50
MATERIALSTEEL OVERALL
STYLE DESIGNATORBALL
ROLLING ELEMENT DIAMETER0.4375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
424308Interchangeable
interchangeable cross-reference
interchangeable
17014R1Interchangeable
interchangeable cross-reference
interchangeable
72174Interchangeable
interchangeable cross-reference
interchangeable
16014R1Interchangeable
interchangeable cross-reference
interchangeable
10492-1Interchangeable
interchangeable cross-reference
interchangeable
10492Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LL313-3?
LL313-3 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace LL313-3?
There are 30 known substitutes for LL313-3: 424308, 17014R1, 72174 and 27 more. Substitute compatibility should be verified for your specific system.
Is LL313-3 still available?
LL313-3 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: July 2026