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628409 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

628409: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: LUBRICANT LUBRICATION, bore_diameter: 2.0621 INCHES MINIMUM AND 2.0625 INCHES MAXIMUM IN, overall_width: 0.4800 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND, special_features: 18 TO 20 PCT FULL OF SPECIFIED LUBRICANT. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-298-8152, 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
628409
NSN: 3110-01-298-8152
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialLUBRICANT LUBRICATION
bore_diameter2.0621 INCHES MINIMUM AND 2.0625 INCHES MAXIMUM IN
overall_width0.4800 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
special_features18 TO 20 PCT FULL OF SPECIFIED LUBRICANT
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
bearing_preload_rating120.0 POUNDS MINIMUM AND 150.0 POUNDS MAXIMUM LBS
overall_outside_diameter2.6246 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
bearing_preload_designationHEAVY
retainer_fabrication_methodMACHINED
lubrication_material_document_and_classificationKUBLER ISOFLEX LDS,CAGEC 78118 MFR REF SINGLE MATERIAL RESPONSE
NSN3110-01-298-8152
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 628409 · 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: MACHINED
•
BEARING PRELOAD RATING: 120.0 POUNDS MINIMUM AND 150.0 POUNDS MAXIMUM LBS
•
SURFACE FINISH: GROUND
•
BEARING PRELOAD DESIGNATION: HEAVY
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
•
OVERALL OUTSIDE DIAMETER: 2.6246 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
BEARING PRELOAD RATING120.0 POUNDS MINIMUM AND 150.0 POUNDS MAXIMUM LBS
SURFACE FINISHGROUND
BEARING PRELOAD DESIGNATIONHEAVY
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH0.4800 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.6246 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN
LOAD DIRECTIONANGULAR
SPECIAL FEATURES18 TO 20 PCT FULL OF SPECIFIED LUBRICANT
BORE DIAMETER2.0621 INCHES MINIMUM AND 2.0625 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 3
S3342M5P712LY399DB120-150Reference document
Same NSN cross-reference
Reference document — Secondary reference
S3342M5DB120-150Reference document
Same NSN cross-reference
Reference document — Secondary reference
3TAR33-42UDB-1201150Reference 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 628409?
628409 is a BEARING,BALL,DUPLEX.
What parts can replace 628409?
There are 3 known substitutes for 628409: S3342M5P712LY399DB120-150, S3342M5DB120-150, 3TAR33-42UDB-1201150. Substitute compatibility should be verified for your specific system.
What is the NSN for 628409?
628409 is cataloged in the U.S. Government catalog under NSN 3110-01-298-8152. 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.