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8111944ADG2 — BEARING,PLAIN,SPHERICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8111944ADG2: BEARING,PLAIN,SPHERICAL.

The BEARING,PLAIN,SPHERICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OUTER LAYER, overall_length: 5.5000 INCHES NOMINAL IN, body_inside_diameter: 4.0050 INCHES MINIMUM AND 4.0070 INCHES MAXIMUM IN, body_outside_diameter: 5.5000 INCHES NOMINAL IN, spherical_body_diameter: 7.9990 INCHES MINIMUM AND 8.0000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-970-6449, 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
8111944ADG2
NSN: 3120-00-970-6449
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 03497 — GENERAL ELECTRIC CO OUTDOOR BREAKER BUSINESS SECTION (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OUTER LAYER
overall_length5.5000 INCHES NOMINAL IN
body_inside_diameter4.0050 INCHES MINIMUM AND 4.0070 INCHES MAXIMUM IN
body_outside_diameter5.5000 INCHES NOMINAL IN
spherical_body_diameter7.9990 INCHES MINIMUM AND 8.0000 INCHES MAXIMUM IN
NSN3120-00-970-6449
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8111944ADG2 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 5.5000 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 4.0050 INCHES MINIMUM AND 4.0070 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1020 OUTER LAYER
•
SPHERICAL BODY DIAMETER: 7.9990 INCHES MINIMUM AND 8.0000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
BODY OUTSIDE DIAMETER5.5000 INCHES NOMINAL IN
OVERALL LENGTH5.5000 INCHES NOMINAL IN
BODY INSIDE DIAMETER4.0050 INCHES MINIMUM AND 4.0070 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1020 OUTER LAYER
MATERIALTIN ALLOY UNS L13890 INNER LAYER
MATERIALOIL LUBRICATING LUBRICATION
SPHERICAL BODY DIAMETER7.9990 INCHES MINIMUM AND 8.0000 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 2
P8111944ADG2Reference document
Same NSN cross-reference
Reference document — Secondary reference
7004F34 PC24Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 8111944ADG2?
8111944ADG2 is a BEARING,PLAIN,SPHERICAL.
What parts can replace 8111944ADG2?
There are 2 known substitutes for 8111944ADG2: P8111944ADG2, 7004F34 PC24. Substitute compatibility should be verified for your specific system.
What is the NSN for 8111944ADG2?
8111944ADG2 is cataloged in the U.S. Government catalog under NSN 3120-00-970-6449. 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.