PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3110005543188
3110005543188 ✓ 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: 12.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 0.4800 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3188, 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
3110005543188
NSN: 3110-00-554-3188
FSC: 3110
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
seal_quantity1
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.4800 INCHES NOMINAL IN
outer_ring_width0.5000 INCHES NOMINAL IN
special_featuresW/ OR W/O FELT CORE SEAL
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeLABYRINTH
overall_outside_diameter32.00 MILLIMETERS NOMINAL MM
NSN3110-00-554-3188
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3110005543188 · 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
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BEARING SEAL TYPE: LABYRINTH
•
BORE DIAMETER: 12.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
BEARING SEAL TYPELABYRINTH
BORE DIAMETER12.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
OUTER RING WIDTH0.5000 INCHES NOMINAL IN
SEAL QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
X344Interchangeable
interchangeable cross-reference
interchangeable
186363-5Interchangeable
interchangeable cross-reference
interchangeable
RB4631-3Interchangeable
interchangeable cross-reference
interchangeable
WC8501X1Interchangeable
Same NIIN cross-reference
interchangeable
FLB12JInterchangeable
Same NIIN cross-reference
interchangeable
201FS4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3110005543188?
3110005543188 is a BEARING,BALL,ANNULAR.
What parts can replace 3110005543188?
There are 8 known substitutes for 3110005543188: X344, 186363-5, RB4631-3 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3110005543188?
3110005543188 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3188. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026