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03-112-141 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

03-112-141: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_diameter: 0.5000 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.3750 INCHES NOMINAL IN, outer_ring_width: 0.3130 INCHES NOMINAL IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-142-4287, 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
03-112-141
NSN: 3110-00-142-4287
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 80070 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN ROTARY AND MISSION SYSTEMS DIV RMS- C6ISR (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_diameter0.5000 INCHES NOMINAL IN
load_directionRADIAL
shield_quantity2
inner_ring_width0.3750 INCHES NOMINAL IN
outer_ring_width0.3130 INCHES NOMINAL IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
overall_outside_diameter1.1250 INCHES NOMINAL IN
lubrication_material_document_and_classificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-142-4287
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 03-112-141 · 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: 0.3130 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
OVERALL OUTSIDE DIAMETER: 1.1250 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.3130 INCHES NOMINAL IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER1.1250 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
BORE DIAMETER0.5000 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.3750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 6
10958Reference document
Same NSN cross-reference
Reference document — Secondary reference
6186Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
K8AReference document
Same NSN cross-reference
Reference document — Secondary reference
KC8Reference document
Same NSN cross-reference
Reference document — Secondary reference
A14590Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN201K8AANG25Reference 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 03-112-141?
03-112-141 is a BEARING,BALL,AIRFRAME.
What parts can replace 03-112-141?
There are 6 known substitutes for 03-112-141: 10958, 6186, K8A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 03-112-141?
03-112-141 is cataloged in the U.S. Government catalog under NSN 3110-00-142-4287. This indicates validated use in U.S. government and defense supply chains.
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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.