PartsTable
Technical Data Sheet
556-3543-18 ✓ Verified by PartsTable
· TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.5625 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.2810 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL IN, style_designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4335, 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
556-3543-18
NSN: 3110-00-142-4335
FSC: 3110
CAGE: 11530 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.5625 INCHES NOMINAL IN
load_directionRADIAL
inner_ring_width0.2810 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
overall_outside_diameter2.0000 INCHES NOMINAL IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-142-4335
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 556-3543-18 · 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
BORE DIAMETER: 1.5625 INCHES NOMINAL IN
LOAD DIRECTION: RADIAL
INNER RING WIDTH: 0.2810 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
OUTER RING WIDTH: 0.2500 INCHES NOMINAL IN
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
MATERIAL: STEEL OVERALL
OVERALL OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER1.5625 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
INNER RING WIDTH0.2810 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
173124Interchangeable
interchangeable cross-reference
interchangeable
P1173Interchangeable
interchangeable cross-reference
interchangeable
A543Interchangeable
interchangeable cross-reference
interchangeable
281479-60Interchangeable
interchangeable cross-reference
interchangeable
600067P1Interchangeable
interchangeable cross-reference
interchangeable
17329Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 556-3543-18?
556-3543-18 is a BEARING,BALL,AIRFRAME.
What parts can replace 556-3543-18?
There are 29 known substitutes for 556-3543-18: 173124, P1173, A543 and 26 more. Substitute compatibility should be verified for your specific system.
Is 556-3543-18 still available?
556-3543-18 is currently cancelled.
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