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7783003-102 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

7783003-102: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, bore_diameter: 2.7555 INCHES MINIMUM AND 2.7559 INCHES MAXIMUM IN, overall_width: 1.2498 INCHES MINIMUM AND 1.2598 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-079-6070, 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
7783003-102
NSN: 3110-01-079-6070
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
bore_diameter2.7555 INCHES MINIMUM AND 2.7559 INCHES MAXIMUM IN
overall_width1.2498 INCHES MINIMUM AND 1.2598 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
special_featuresDUPLEX BEARINGS FOR CRYOGENIC SERVICE AT -320 DGSF,BEARING MATERIALSMUST BE COMPATABLE WITH LIQUIFIED GASES:HYDROGEN,OXYGEN,NITROGEN,NATURALGAS,PROPANE AND BUTANE,NO LUBRICATION ALLOWED
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
end_item_identificationLN SERVICE TRUCK
overall_outside_diameter3.9366 INCHES MINIMUM AND 3.9370 INCHES MAXIMUM IN
NSN3110-01-079-6070
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7783003-102 · 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, FACE TO FACE MOUNTING
•
OVERALL OUTSIDE DIAMETER: 3.9366 INCHES MINIMUM AND 3.9370 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
OVERALL WIDTH1.2498 INCHES MINIMUM AND 1.2598 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER3.9366 INCHES MINIMUM AND 3.9370 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONANGULAR
SPECIAL FEATURESDUPLEX BEARINGS FOR CRYOGENIC SERVICE AT -320 DGSF,BEARING MATERIALSMUST BE COMPATABLE WITH LIQUIFIED GASES:HYDROGEN,OXYGEN,NITROGEN,NATURALGAS,PROPANE AND BUTANE,NO LUBRICATION ALLOWED
END ITEM IDENTIFICATIONLN SERVICE TRUCK
BORE DIAMETER2.7555 INCHES MINIMUM AND 2.7559 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING 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 7783003-102?
7783003-102 is a BEARING,BALL,ANNULAR.
What is the NSN for 7783003-102?
7783003-102 is cataloged in the U.S. Government catalog under NSN 3110-01-079-6070. 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.