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Technical Data Sheet
PartsTable / COMPONENT / KC8
KC8 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: GLASS CASE, duty_type: CONTINUOUS, current_type: AC, storage_type: GENERAL PURPOSE WAREHOUSE, bore_diameter: 0.5000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4287, 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
KC8
NSN: 3110-00-142-4287
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
phaseSINGLE
materialGLASS CASE
duty_typeCONTINUOUS
current_typeAC
storage_typeGENERAL PURPOSE WAREHOUSE
bore_diameter0.5000 INCHES NOMINAL IN
coil_quantity1
system_designNONCORROSIVE
vacuum_rating100.0 TORR
cooling_mediumAIR
load_directionRADIAL
overall_length2.250 INCHES MAXIMUM2.250 INCHES MAXIMUM IN
NSN3110-00-142-4287
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: KC8 · 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 WIDTH: 0.3130 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
SHIELD QUANTITY: 2
•
INNER RING WIDTH: 0.3750 INCHES NOMINAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTER RING WIDTH0.3130 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SHIELD QUANTITY2
INNER RING WIDTH0.3750 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.5000 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
MATERIALSTEEL CORROSION RESISTING OVERALL
OVERALL OUTSIDE DIAMETER1.1250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
6186Interchangeable
interchangeable cross-reference
interchangeable
1726220Interchangeable
interchangeable cross-reference
interchangeable
AS20659Interchangeable
interchangeable cross-reference
interchangeable
685797-1Interchangeable
interchangeable cross-reference
interchangeable
MC1595LH2Interchangeable
interchangeable cross-reference
interchangeable
4827-0123-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KC8?
KC8 is a RELAY,ELECTROMAGNETIC.
What parts can replace KC8?
There are 25 known substitutes for KC8: 6186, 1726220, AS20659 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KC8?
KC8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4287. 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