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CGB83903 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

CGB83903: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include hole_diameter: 0.2344 INCHES MINIMUM FIRST IN, overall_length: 1.3594 INCHES MINIMUM AND 1.3906 INCHES MAXIMUM IN, surface_finish: 100.0 MICROINCHES OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 4.0131 INCHES MINIMUM AND 4.0145 INCHES MAXIMUM IN, body_outside_diameter: 4.3830 INCHES MINIMUM AND 4.3835 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-591-6792, 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
CGB83903
NSN: 3120-00-591-6792
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0AX87 — JPI TRANSPORTATION PRODUCTS INC (USA)
SPECIFICATIONS
hole_diameter0.2344 INCHES MINIMUM FIRST IN
overall_length1.3594 INCHES MINIMUM AND 1.3906 INCHES MAXIMUM IN
surface_finish100.0 MICROINCHES OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter4.0131 INCHES MINIMUM AND 4.0145 INCHES MAXIMUM IN
body_outside_diameter4.3830 INCHES MINIMUM AND 4.3835 INCHES MAXIMUM IN
surface_groove_location_and_quantity3 INTERNAL
antirotation/lubrication_type_and_quantity2 HOLE
NSN3120-00-591-6792
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: CGB83903 · 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
•
SURFACE FINISH: 100.0 MICROINCHES OVERALL
•
BODY OUTSIDE DIAMETER: 4.3830 INCHES MINIMUM AND 4.3835 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 4.0131 INCHES MINIMUM AND 4.0145 INCHES MAXIMUM IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 2 HOLE
•
SURFACE GROOVE LOCATION AND QUANTITY: 3 INTERNAL
•
HOLE DIAMETER: 0.2344 INCHES MINIMUM FIRST IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH100.0 MICROINCHES OVERALL
BODY OUTSIDE DIAMETER4.3830 INCHES MINIMUM AND 4.3835 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.3594 INCHES MINIMUM AND 1.3906 INCHES MAXIMUM IN
BODY INSIDE DIAMETER4.0131 INCHES MINIMUM AND 4.0145 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
SURFACE GROOVE LOCATION AND QUANTITY3 INTERNAL
HOLE DIAMETER0.2344 INCHES MINIMUM FIRST IN
HOLE DIAMETER0.2656 INCHES MAXIMUM SECOND IN
SUBSTITUTES & CROSS-REFERENCES 1
83903Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CGB83903?
CGB83903 is a BEARING,SLEEVE.
What parts can replace CGB83903?
There is 1 known substitute for CGB83903: 83903. Substitute compatibility should be verified for your specific system.
What is the NSN for CGB83903?
CGB83903 is cataloged in the U.S. Government catalog under NSN 3120-00-591-6792. 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.