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1801490 — RESISTOR,FIXED,COMPOSITION

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1801490: RESISTOR,FIXED,COMPOSITION.

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_diameter: 2.7559 INCHES NOMINAL IN, overall_width: 2.7559 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND, special_features: PAIR OF BEARINGS. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-494-3416, 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
1801490
NSN: 3110-01-494-3416
NIINs: 014943416, 014944203, 014944211, 014944239, 014944243, 014944249, 014944252, 014950906, 014950922
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 1S3F8 — BLACKMER SYSTEM ONE, INC. DIV BLACKMER SYSTEM ONE, INC. (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_diameter2.7559 INCHES NOMINAL IN
overall_width2.7559 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
special_featuresPAIR OF BEARINGS
style_designatorUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
end_item_identificationPUMP, CTFGL
overall_outside_diameter5.9055 INCHES NOMINAL IN
bearing_preload_designationLIGHT
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-01-494-3416
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1801490 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
BEARING PRELOAD DESIGNATION: LIGHT
•
STYLE DESIGNATOR: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 5.9055 INCHES NOMINAL IN
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
BEARING PRELOAD DESIGNATIONLIGHT
STYLE DESIGNATORUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH2.7559 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.9055 INCHES NOMINAL IN
LOAD DIRECTIONANGULAR
SPECIAL FEATURESPAIR OF BEARINGS
END ITEM IDENTIFICATIONPUMP, CTFGL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 2
1801490 ITEM NO. 18Reference document
Same NSN cross-reference
Reference document — Secondary reference
630998Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1801490?
1801490 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace 1801490?
There are 2 known substitutes for 1801490: 1801490 ITEM NO. 18, 630998. Substitute compatibility should be verified for your specific system.
What is the NSN for 1801490?
1801490 is cataloged in the U.S. Government catalog under NSN 3110-01-494-3416. This indicates validated use in U.S. government and defense supply chains.
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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.