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189131 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

189131: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include end_item_identification: AIRPORT SURVEILLANCE DETECTION EQUIPMENT 3. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-109-1123, 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
189131
NSN: 3110-00-109-1123
NIINs: 001091123, 011301154, 013303684
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
end_item_identificationAIRPORT SURVEILLANCE DETECTION EQUIPMENT 3
NSN3110-00-109-1123
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 189131 · 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
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 47.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH14.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SEAL QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 10
6204-2R2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
9045741Reference document
Same NSN cross-reference
Reference document — Secondary reference
1204LLReference document
Same NSN cross-reference
Reference document — Secondary reference
212-104Reference document
Same NSN cross-reference
Reference document — Secondary reference
954753Reference document
Same NSN cross-reference
Reference document — Secondary reference
60009Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 189131?
189131 is a BEARING,BALL,ANNULAR.
What parts can replace 189131?
There are 10 known substitutes for 189131: 6204-2R2, 9045741, 1204LL and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 189131?
189131 is cataloged in the U.S. Government catalog under NSN 3110-00-109-1123. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.