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Technical Data Sheet
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2431-2 — 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,ROLLER,NEEDLE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-442-6890, 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
2431-2
NSN: 3110-00-442-6890
FSC: 3110
CAGE: 61038 — VICKERS INC (USA)
SPECIFICATIONS
Part Number2431-2
NSN3110-00-442-6890
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2431-2 · 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
•
ALIGNMENT TYPE: RIGID
•
SURFACE FINISH: GROUND
•
BORE DIAMETER: 0.9998 INCHES MINIMUM AND 1.0001 INCHES MAXIMUM IN
•
RETAINER FABRICATION METHOD: PRESSED
•
STYLE DESIGNATOR: NON-SEPARABLE, CLOSED END, DRAWN SHELL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
ALIGNMENT TYPERIGID
SURFACE FINISHGROUND
BORE DIAMETER0.9998 INCHES MINIMUM AND 1.0001 INCHES MAXIMUM IN
SPECIAL FEATURESCLOSED END,EXTRA CAPACITY OUTER RACE,OIL HOLE IN OUTER RACE
RETAINER FABRICATION METHODPRESSED
STYLE DESIGNATORNON-SEPARABLE, CLOSED END, DRAWN SHELL
MATERIALSTEEL OVERALL
OVERALL WIDTH0.7400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.2450 INCHES MINIMUM AND 1.2454 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
EE6-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1896InterchangeableGOVERNMENT REGISTRY
Microsoft Stylus Pen For Surface
interchangeable
55172InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-H-13444 TYPE 3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
243InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2431-2?
2431-2 is a BEARING,ROLLER,NEEDLE.
What parts can replace 2431-2?
There are 5 known substitutes for 2431-2: EE6-1, 1896, 55172 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2431-2?
2431-2 is cataloged in the Federal Logistics Information System under NSN 3110-00-442-6890. 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: September 2026