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S4302-D-3240746 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

S4302-D-3240746: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 5.1250 INCHES MINIMUM AND 5.1280 INCHES MAXIMUM IN, outside_diameter: 8.2500 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 1.2810 INCHES NOMINAL IN, center_hole_shape_style: ROUND, cross-sectional_shape_style: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-275-8789, 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
S4302-D-3240746
NSN: 3120-01-275-8789
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
diameter5.1250 INCHES MINIMUM AND 5.1280 INCHES MAXIMUM IN
outside_diameter8.2500 INCHES NOMINAL IN
style_designatorROUND
overall_thickness1.2810 INCHES NOMINAL IN
center_hole_shape_styleROUND
cross-sectional_shape_styleSHOULDERED
NSN3120-01-275-8789
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: S4302-D-3240746 · 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
•
OVERALL THICKNESS: 1.2810 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 5.1250 INCHES MINIMUM AND 5.1280 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SHOULDERED
•
OUTSIDE DIAMETER: 8.2500 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS1.2810 INCHES NOMINAL IN
STYLE DESIGNATORROUND
DIAMETER5.1250 INCHES MINIMUM AND 5.1280 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESHOULDERED
OUTSIDE DIAMETER8.2500 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S4302-D-3240746?
S4302-D-3240746 is a BEARING,WASHER,THRUST.
What is the NSN for S4302-D-3240746?
S4302-D-3240746 is cataloged in the U.S. Government catalog under NSN 3120-01-275-8789. 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.