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5F0348 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

5F0348: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SAE 797 INNER LAYER, corner_shape: SQUARE INSIDE RIGHT CORNER, overall_length: 1.2500 INCHES NOMINAL IN, hardness_rating: 55.0 ROCKWELL E NOMINAL OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-352-7990, 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
5F0348
NSN: 3120-00-352-7990
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY SAE 797 INNER LAYER
corner_shapeSQUARE INSIDE RIGHT CORNER
overall_length1.2500 INCHES NOMINAL IN
hardness_rating55.0 ROCKWELL E NOMINAL OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
body_outside_diameter1.2556 INCHES MINIMUM AND 1.2765 INCHES MAXIMUM IN
surface_groove_location_and_quantity1 INTERNAL
NSN3120-00-352-7990
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5F0348 · 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
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
BODY OUTSIDE DIAMETER: 1.2556 INCHES MINIMUM AND 1.2765 INCHES MAXIMUM IN
•
HARDNESS RATING: 55.0 ROCKWELL E NOMINAL OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER1.2556 INCHES MINIMUM AND 1.2765 INCHES MAXIMUM IN
HARDNESS RATING55.0 ROCKWELL E NOMINAL OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.2500 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY SAE 797 INNER LAYER
SUBSTITUTES & CROSS-REFERENCES 1
31-5F348Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5F0348?
5F0348 is a BEARING,SLEEVE.
What parts can replace 5F0348?
There is 1 known substitute for 5F0348: 31-5F348. Substitute compatibility should be verified for your specific system.
What is the NSN for 5F0348?
5F0348 is cataloged in the U.S. Government catalog under NSN 3120-00-352-7990. 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.