PartsTable
Technical Data Sheet
556-3543-21 ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.6250 INCHES NOMINAL IN, overall_width: 0.2813 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3341, 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
556-3543-21
NSN: 3110-00-554-3341
FSC: 3110
CAGE: 11530 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.6250 INCHES NOMINAL IN
overall_width0.2813 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter1.3750 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-554-3341
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 556-3543-21 · 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
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
BORE DIAMETER: 0.6250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
LOAD DIRECTION: RADIAL
SURFACE FINISH: GROUND
OVERALL OUTSIDE DIAMETER: 1.3750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
BORE DIAMETER0.6250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
OVERALL WIDTH0.2813 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
G300267S1Interchangeable
interchangeable cross-reference
interchangeable
S7Interchangeable
interchangeable cross-reference
interchangeable
682382A1Interchangeable
interchangeable cross-reference
interchangeable
682382-1Interchangeable
interchangeable cross-reference
interchangeable
00519Interchangeable
interchangeable cross-reference
interchangeable
F10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 556-3543-21?
556-3543-21 is a BEARING,BALL,ANNULAR.
What parts can replace 556-3543-21?
There are 33 known substitutes for 556-3543-21: G300267S1, S7, 682382A1 and 30 more. Substitute compatibility should be verified for your specific system.
Is 556-3543-21 still available?
556-3543-21 is currently cancelled.
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