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Technical Data Sheet
PartsTable / COMPONENT / 9143
9143 ✓ 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: RUBBER OVERALL, bore_shape: STRAIGHT, shaft_type: ROUND SINGLE ACTUATOR, design_type: COAXIAL SINGLE ANTENNA ELEMENT, shaft_length: 0.313 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8919, 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
9143
NSN: 3110-00-144-8919
FSC: 3110
CAGE: 79141 — VAN NORMAN MACHINE CO INC SUB OF WINVAN INC (USA)
SPECIFICATIONS
materialRUBBER OVERALL
bore_shapeSTRAIGHT
shaft_typeROUND SINGLE ACTUATOR
design_typeCOAXIAL SINGLE ANTENNA ELEMENT
shaft_length0.313 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
bore_diameter30.00 MILLIMETERS NOMINAL MM
overall_width0.938 INCHES NOMINAL IN
pole_quantity2 SINGLE SECTION FRONT
terminal_typeRECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT
thread_length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
load_directionRADIAL
NSN3110-00-144-8919
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 9143 · 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
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL OUTER RING
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE DIAMETER: 30.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
MATERIALSTEEL OUTER RING
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE DIAMETER30.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH16.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
760195-3Interchangeable
interchangeable cross-reference
interchangeable
40433Interchangeable
interchangeable cross-reference
interchangeable
MILC12854Interchangeable
interchangeable cross-reference
interchangeable
SCD2878Interchangeable
interchangeable cross-reference
interchangeable
6790Interchangeable
interchangeable cross-reference
interchangeable
93Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9143?
9143 is a BEARING,BALL,ANNULAR.
What parts can replace 9143?
There are 23 known substitutes for 9143: 760195-3, 40433, MILC12854 and 20 more. Substitute compatibility should be verified for your specific system.
Is 9143 still available?
9143 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