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4BDU48 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

4BDU48: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: BRONZE OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 3.0100 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.9982 INCHES NOMINAL IN, body_outside_diameter: 3.1872 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-342-6672, 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
4BDU48
NSN: 3120-01-342-6672
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: K0312 — WAUKESHA BEARINGS LTD (GBR)
SPECIFICATIONS
materialBRONZE OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length3.0100 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.9982 INCHES NOMINAL IN
body_outside_diameter3.1872 INCHES NOMINAL IN
end_item_identificationM119A1 HOWITZER
NSN3120-01-342-6672
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4BDU48 · 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 ALL CORNERS
•
BODY OUTSIDE DIAMETER: 3.1872 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.9982 INCHES NOMINAL IN
•
MATERIAL: BRONZE OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER3.1872 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH3.0100 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.9982 INCHES NOMINAL IN
END ITEM IDENTIFICATIONM119A1 HOWITZER
MATERIALBRONZE OVERALL
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 1
12592472Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4BDU48?
4BDU48 is a BEARING,SLEEVE.
What parts can replace 4BDU48?
There is 1 known substitute for 4BDU48: 12592472. Substitute compatibility should be verified for your specific system.
What is the NSN for 4BDU48?
4BDU48 is cataloged in the U.S. Government catalog under NSN 3120-01-342-6672. 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.