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451242010-83 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

451242010-83: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 910 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 2.7420 INCHES MINIMUM AND 2.7450 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2500 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-661-7954, 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
451242010-83
NSN: 3120-00-661-7954
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 52081 — EURAMCO SAFETY INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 910 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length2.7420 INCHES MINIMUM AND 2.7450 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2500 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
body_outside_diameter1.5010 INCHES MINIMUM AND 1.5020 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CLOSED BOTH ENDS
material_document_and_classificationMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_groove_location_and_quantity1 INTERNAL
NSN3120-00-661-7954
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 451242010-83 · 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: 1.5010 INCHES MINIMUM AND 1.5020 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.2500 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
•
LUBRICANT ACCOMMODATION STYLE: GROOVED CLOSED BOTH ENDS
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.5010 INCHES MINIMUM AND 1.5020 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.7420 INCHES MINIMUM AND 2.7450 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.2500 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED CLOSED BOTH ENDS
MATERIALCOPPER ALLOY 910 OVERALL
SURFACE GROOVE LOCATION AND QUANTITY1 INTERNAL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 451242010-83?
451242010-83 is a BEARING,SLEEVE.
What is the NSN for 451242010-83?
451242010-83 is cataloged in the U.S. Government catalog under NSN 3120-00-661-7954. 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.