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Technical Data Sheet
PartsTable / COMPONENT / 4004144
4004144 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.500 INCHES NOMINAL IN, screw_material: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-271-9470, 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
4004144
NSN: 3120-01-271-9470
FSC: 3120
CAGE: 96105 — FUNK MFG CO SUB OF DEERE AND CO (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length0.500 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.500 INCHES NOMINAL IN
special_features8-32 X 1/2 INCH PHILLIPS PAN HEAD ZINC PLATED MACHINE SCREW IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE IA
end_item_identificationMRAP BUFFALO MK2A2
nominal_thread_diameter0.164 INCHES IN
NSN3120-01-271-9470
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4004144 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
206958Interchangeable
interchangeable cross-reference
interchangeable
13226E0330-2Interchangeable
interchangeable cross-reference
interchangeable
206958-8.5Interchangeable
interchangeable cross-reference
interchangeable
37181Interchangeable
interchangeable cross-reference
interchangeable
4004144Interchangeable
interchangeable cross-reference
interchangeable
12759-00467Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4004144?
4004144 is a BEARING,WASHER,THRUST.
What parts can replace 4004144?
There are 7 known substitutes for 4004144: 206958, 13226E0330-2, 206958-8.5 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4004144?
4004144 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-271-9470. 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