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4S9780 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

4S9780: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, overall_width: 2.0861 INCHES MINIMUM AND 2.0866 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING, overall_outside_diameter: 7.8759 INCHES MINIMUM AND 7.8771 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-102-4569, 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
4S9780
NSN: 3110-00-102-4569
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
overall_width2.0861 INCHES MINIMUM AND 2.0866 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
special_featuresASSEMBLY CONSISTS OF TWO LIP OUTER RACE AND ROLLERS AND IDENTIFICATION GROOVE IN OD AND BLIND HOLE IN OD AND INSIDE DIA. UNDER ROLLERS IS 5.0947 IN. MIN,5.0959 IN. MAX IN
overall_outside_diameter7.8759 INCHES MINIMUM AND 7.8771 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
NSN3110-00-102-4569
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4S9780 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 7.8759 INCHES MINIMUM AND 7.8771 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
OVERALL WIDTH2.0861 INCHES MINIMUM AND 2.0866 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER7.8759 INCHES MINIMUM AND 7.8771 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESASSEMBLY CONSISTS OF TWO LIP OUTER RACE AND ROLLERS AND IDENTIFICATION GROOVE IN OD AND BLIND HOLE IN OD AND INSIDE DIA. UNDER ROLLERS IS 5.0947 IN. MIN,5.0959 IN. MAX IN
MATERIALSTEEL OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4S9780?
4S9780 is a BEARING,ROLLER,CYLINDRICAL.
What is the NSN for 4S9780?
4S9780 is cataloged in the U.S. Government catalog under NSN 3110-00-102-4569. 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.