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Technical Data Sheet
PartsTable / COMPONENT / 181789
181789 ✓ 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,THRUST is a the manufacturer industrial component. Key specifications include special_features: DRAWING)TANK LEVEL INDICATOR CIRCUIT TK CABLING DIAGRAM(6985750);TANSMITTER LIQ LVL, end_item_identification: INDICATOR ASSY,TANK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-8522, 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
181789
NSN: 3110-00-100-8522
FSC: 3110
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
special_featuresDRAWING)TANK LEVEL INDICATOR CIRCUIT TK CABLING DIAGRAM(6985750);TANSMITTER LIQ LVL
end_item_identificationINDICATOR ASSY,TANK
NSN3110-00-100-8522
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 181789 · 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
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 2.3437 INCHES NOMINAL IN
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
ALIGNMENT TYPE: RIGID
•
BORE SMALLEST DIAMETER: 1.2500 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESRETAINERLESS TYPE
OVERALL HEIGHT0.6250 INCHES NOMINAL IN
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER2.3437 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
ALIGNMENT TYPERIGID
BORE SMALLEST DIAMETER1.2500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
STYLE DESIGNATORGROOVED RACE SURFACE, BANDED OD
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
116407Interchangeable
interchangeable cross-reference
interchangeable
BT13Interchangeable
interchangeable cross-reference
interchangeable
UJ-20Interchangeable
interchangeable cross-reference
interchangeable
D-13Interchangeable
interchangeable cross-reference
interchangeable
755-507Interchangeable
interchangeable cross-reference
interchangeable
XP-524-S3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 181789?
181789 is a BEARING,BALL,THRUST.
What parts can replace 181789?
There are 27 known substitutes for 181789: 116407, BT13, UJ-20 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 181789?
181789 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-8522. 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