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Technical Data Sheet
PartsTable / COMPONENT / 128403
128403 ✓ Verified by PartsTable
Esselte · 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 BALL,BEARING is a Esselte industrial component. Key specifications include material: STEEL OVERALL, special_features: 0.0005 IN.SPHERICITY PER BALL,PORM 0.0005 IN. VARIATION PER BOX,PORM 0.001 IN.

VARIATION PER SHIPMENT IN, style_designator: BALL, rolling_element_diameter: 0.2810 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-151-9124, 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
128403
NSN: 3110-00-151-9124
FSC: 3110
CAGE: 76894 — CELTRAC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_features0.0005 IN.SPHERICITY PER BALL,PORM 0.0005 IN. VARIATION PER BOX,PORM 0.001 IN. VARIATION PER SHIPMENT IN
style_designatorBALL
rolling_element_diameter0.2810 INCHES NOMINAL IN
NSN3110-00-151-9124
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 128403 · Esselte ⚠ 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
•
ROLLING ELEMENT DIAMETER: 0.2810 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES0.0005 IN.SPHERICITY PER BALL,PORM 0.0005 IN. VARIATION PER BOX,PORM 0.001 IN. VARIATION PER SHIPMENT IN
ROLLING ELEMENT DIAMETER0.2810 INCHES NOMINAL IN
STYLE DESIGNATORBALL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
188430AInterchangeable
interchangeable cross-reference
interchangeable
N9922PC102Interchangeable
interchangeable cross-reference
interchangeable
N235PC19Interchangeable
interchangeable cross-reference
interchangeable
43636Interchangeable
interchangeable cross-reference
interchangeable
152A583Interchangeable
interchangeable cross-reference
interchangeable
152A583H01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 128403?
128403 is a BALL,BEARING manufactured by Esselte.
What parts can replace 128403?
There are 20 known substitutes for 128403: 188430A, N9922PC102, N235PC19 and 17 more. Substitute compatibility should be verified for your specific system.
Is 128403 still available?
128403 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