PartsTable
Technical Data Sheet
Download PDF

389307 — 389307

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

389307: 389307.

The 389307 is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, body_outside_diameter: 1.1960 INCHES MINIMUM AND 1.2050 INCHES MAXIMUM IN, left_internal_flange_hole_diameter: 0.9000 INCHES MINIMUM AND 0.9050 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-205-8359, 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
389307
NSN: 3120-00-205-8359
NIINs: 002058359, 006185155
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 08244 — MOELLER MFG. COMPANY, LLC DIV AIRCRAFT (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
body_outside_diameter1.1960 INCHES MINIMUM AND 1.2050 INCHES MAXIMUM IN
left_internal_flange_hole_diameter0.9000 INCHES MINIMUM AND 0.9050 INCHES MAXIMUM IN
NSN3120-00-205-8359
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 389307 · 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
•
LEFT INTERNAL FLANGE HOLE DIAMETER: 0.9000 INCHES MINIMUM AND 0.9050 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.1960 INCHES MINIMUM AND 1.2050 INCHES MAXIMUM IN
•
MATERIAL: IRON ALLOY 660 OVERALL
TECHNICAL CHARACTERISTICS
LEFT INTERNAL FLANGE HOLE DIAMETER0.9000 INCHES MINIMUM AND 0.9050 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.1960 INCHES MINIMUM AND 1.2050 INCHES MAXIMUM IN
MATERIALIRON ALLOY 660 OVERALL
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
Ready to buy 389307?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 389307?
389307 is a 389307.
What is the NSN for 389307?
389307 is cataloged in the U.S. Government catalog under NSN 3120-00-205-8359. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 389307

✓ 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.