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144EX266 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include color: WHITE, radius: 0.031 INCHES NOMINAL IN, material: PLASTIC OVERALL, body_style: RADII ENDS W/RADIAL SLOT, bore_shape: STRAIGHT, head_style: HEXAGON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-005-1248, 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
144EX266
NSN: 3120-01-005-1248
FSC: 3120
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
colorWHITE
radius0.031 INCHES NOMINAL IN
materialPLASTIC OVERALL
body_styleRADII ENDS W/RADIAL SLOT
bore_shapeSTRAIGHT
head_styleHEXAGON
body_length3.5625 INCHES NOMINAL IN
grip_length1.063 INCHES NOMINAL IN
head_height0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
groove_depth0.1562 INCHES NOMINAL IN
thread_class3A A
bore_diameter55.00 MILLIMETERS NOMINAL MM
NSN3120-01-005-1248
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 144EX266 · 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 10
FFB171Interchangeable
interchangeable cross-reference
interchangeable
NH43511Interchangeable
interchangeable cross-reference
interchangeable
43511Interchangeable
interchangeable cross-reference
interchangeable
F328Interchangeable
interchangeable cross-reference
interchangeable
767Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 144EX266?
144EX266 is a BUSHING,SLEEVE.
What parts can replace 144EX266?
There are 10 known substitutes for 144EX266: FFB171, NH43511, 43511 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 144EX266?
144EX266 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-005-1248. 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