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U76443 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

U76443: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING AND STEEL SHIELD, bore_diameter: 0.1900 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.2970 INCHES NOMINAL IN, outer_ring_width: 0.2340 INCHES NOMINAL IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-142-4279, 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
U76443
NSN: 3110-00-142-4279
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19139 — EASTMAN KODAK CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING AND STEEL SHIELD
bore_diameter0.1900 INCHES NOMINAL IN
load_directionRADIAL
shield_quantity2
inner_ring_width0.2970 INCHES NOMINAL IN
outer_ring_width0.2340 INCHES NOMINAL IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
overall_outside_diameter0.6250 INCHES NOMINAL IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-142-4279
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: U76443 · 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
•
OUTER RING WIDTH: 0.2340 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
OVERALL OUTSIDE DIAMETER: 0.6250 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
•
BORE DIAMETER: 0.1900 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2340 INCHES NOMINAL IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
SURFACE TREATMENTCADMIUM SHIELD
BORE DIAMETER0.1900 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SUBSTITUTES & CROSS-REFERENCES 8
KC3-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
SX0Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN201K3AANG25Reference document
Same NSN cross-reference
Reference document — Secondary reference
A3176HReference document
Same NSN cross-reference
Reference document — Secondary reference
201K3ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
K3AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is U76443?
U76443 is a BEARING,BALL,AIRFRAME.
What parts can replace U76443?
There are 8 known substitutes for U76443: KC3-2, SX0, AN201K3AANG25 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U76443?
U76443 is cataloged in the U.S. Government catalog under NSN 3110-00-142-4279. 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.