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Technical Data Sheet
PartsTable / COMPONENT / D3959
D3959 ✓ 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,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include bore_diameter: 2.5000 INCHES NOMINAL IN, alignment_type: RIGID, overall_outside_diameter: 3.2500 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-190-6609, 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
D3959
NSN: 3110-00-190-6609
FSC: 3110
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
bore_diameter2.5000 INCHES NOMINAL IN
alignment_typeRIGID
overall_outside_diameter3.2500 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-190-6609
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D3959 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
BORE DIAMETER: 2.5000 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 3.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER2.5000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
0676Interchangeable
interchangeable cross-reference
interchangeable
301274Interchangeable
interchangeable cross-reference
interchangeable
9822Interchangeable
interchangeable cross-reference
interchangeable
8446Interchangeable
interchangeable cross-reference
interchangeable
4344EA03Interchangeable
interchangeable cross-reference
interchangeable
1250-0140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D3959?
D3959 is a BEARING,ROLLER,NEEDLE.
What parts can replace D3959?
There are 10 known substitutes for D3959: 0676, 301274, 9822 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D3959?
D3959 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-190-6609. 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