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228401-4 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

228401-4: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 35.00 MILLIMETERS NOMINAL MM, overall_width: 34.00 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND, special_features: ANGULARITY GREATER THAN 25 DEG. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-8034, 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
228401-4
NSN: 3110-00-156-8034
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter35.00 MILLIMETERS NOMINAL MM
overall_width34.00 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
special_featuresANGULARITY GREATER THAN 25 DEG
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
overall_outside_diameter72.00 MILLIMETERS NOMINAL MM
bearing_preload_designationLIGHT
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-8034
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 228401-4 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
BEARING PRELOAD DESIGNATION: LIGHT
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
•
OVERALL OUTSIDE DIAMETER: 72.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
BEARING PRELOAD DESIGNATIONLIGHT
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH34.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER72.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
SPECIAL FEATURESANGULARITY GREATER THAN 25 DEG
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER35.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 1
7207DBReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 228401-4?
228401-4 is a BEARING,BALL,DUPLEX.
What parts can replace 228401-4?
There is 1 known substitute for 228401-4: 7207DB. Substitute compatibility should be verified for your specific system.
What is the NSN for 228401-4?
228401-4 is cataloged in the U.S. Government catalog under NSN 3110-00-156-8034. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.