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423DS128-1 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

423DS128-1: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 CAGE, bore_shape: STRAIGHT, bore_diameter: 1.1807 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN, overall_width: 0.5068 INCHES MINIMUM AND 0.5118 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-466-4084, 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
423DS128-1
NSN: 3110-01-466-4084
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 CAGE
bore_shapeSTRAIGHT
bore_diameter1.1807 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
overall_width0.5068 INCHES MINIMUM AND 0.5118 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, ONE LIP OUTER RING, SEPARABLE
end_item_identificationAFT TRANSMISSION,DEFENSE SUPPORT PROGRAM
overall_outside_diameter2.1649 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN
material_document_and_classificationAMS 6491 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
surface_treatment_document_and_classificationAMS 2412 ASSN STD SINGLE TREATMENT RESPONSE INNER RING
NSN3110-01-466-4084
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 423DS128-1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2412 ASSN STD SINGLE TREATMENT RESPONSE INNER RING
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, ONE LIP OUTER RING, SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6491 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2412 ASSN STD SINGLE TREATMENT RESPONSE INNER RING
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, ONE LIP OUTER RING, SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6491 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6491 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6491 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6414 ASSN STD SINGLE MATERIAL RESPONSE CAGE
OVERALL WIDTH0.5068 INCHES MINIMUM AND 0.5118 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.1649 INCHES MINIMUM AND 2.1654 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 2
SU-1006-LAR5333Reference document
Same NSN cross-reference
Reference document — Secondary reference
RF-106-10-RWReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 423DS128-1?
423DS128-1 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 423DS128-1?
There are 2 known substitutes for 423DS128-1: SU-1006-LAR5333, RF-106-10-RW. Substitute compatibility should be verified for your specific system.
What is the NSN for 423DS128-1?
423DS128-1 is cataloged in the U.S. Government catalog under NSN 3110-01-466-4084. This indicates validated use in U.S. government and defense supply chains.
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