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3L4D — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3L4D: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.2100 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, body_outside_diameter: 0.2340 INCHES MINIMUM AND 0.2350 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-810-8303, 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
3L4D
NSN: 3120-00-810-8303
NIINs: 008108303, 012377867
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 96881 — THOMSON INDUSTRIES INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.2100 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
body_outside_diameter0.2340 INCHES MINIMUM AND 0.2350 INCHES MAXIMUM IN
NSN3120-00-810-8303
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3L4D · 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: 0.2340 INCHES MINIMUM AND 0.2350 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.2340 INCHES MINIMUM AND 0.2350 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.2100 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
10050982Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HL7122&1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3L4D?
3L4D is a BEARING,SLEEVE.
What parts can replace 3L4D?
There are 2 known substitutes for 3L4D: 10050982, HL7122&1. Substitute compatibility should be verified for your specific system.
What is the NSN for 3L4D?
3L4D is cataloged in the U.S. Government catalog under NSN 3120-00-810-8303. 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.