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321MEV1 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

321MEV1: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.0000 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 3.9530 INCHES MINIMUM AND 3.9580 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-647-0010, 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
321MEV1
NSN: 3120-00-647-0010
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 556A6 — LINDE MATERIAL HANDLING NORTH AMERICA CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.0000 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter3.9530 INCHES MINIMUM AND 3.9580 INCHES MAXIMUM IN
body_outside_diameter4.4850 INCHES MINIMUM AND 4.4900 INCHES MAXIMUM IN
NSN3120-00-647-0010
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 321MEV1 · 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: 125.0 MICROINCHES OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 4.4850 INCHES MINIMUM AND 4.4900 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 3.9530 INCHES MINIMUM AND 3.9580 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER4.4850 INCHES MINIMUM AND 4.4900 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.9530 INCHES MINIMUM AND 3.9580 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
017321MEV1Reference document
Same NSN cross-reference
Reference document — Secondary reference
6470010Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 321MEV1?
321MEV1 is a BEARING,SLEEVE.
What parts can replace 321MEV1?
There are 2 known substitutes for 321MEV1: 017321MEV1, 6470010. Substitute compatibility should be verified for your specific system.
What is the NSN for 321MEV1?
321MEV1 is cataloged in the U.S. Government catalog under NSN 3120-00-647-0010. 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.