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901780-2 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

901780-2: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, bore_diameter: 2.0625 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND, special_features: BALL SEPARATOR CONSISTS OF TOROIDS AROUND ALTERNATE BALLS. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-008-2073, 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
901780-2
NSN: 3110-00-008-2073
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
bore_diameter2.0625 INCHES NOMINAL IN
overall_width0.5000 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
special_featuresBALL SEPARATOR CONSISTS OF TOROIDS AROUND ALTERNATE BALLS
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
overall_outside_diameter2.6250 INCHES NOMINAL IN
standard_tolerance_designationABEC NO.5
material_document_and_classificationUNABLE TO DECODE
NSN3110-00-008-2073
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 901780-2 · 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
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
OVERALL OUTSIDE DIAMETER: 2.6250 INCHES NOMINAL IN
•
LOAD DIRECTION: ANGULAR
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
OVERALL WIDTH0.5000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.6250 INCHES NOMINAL IN
LOAD DIRECTIONANGULAR
SPECIAL FEATURESBALL SEPARATOR CONSISTS OF TOROIDS AROUND ALTERNATE BALLS
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE DIAMETER2.0625 INCHES NOMINAL IN
MATERIALUNABLE TO DECODE
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 901780-2?
901780-2 is a BEARING,BALL,DUPLEX.
What is the NSN for 901780-2?
901780-2 is cataloged in the U.S. Government catalog under NSN 3110-00-008-2073. 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.