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KJN70-1 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

KJN70-1: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 2017 OUTER LAYER, corner_shape: CHAMFERED INSIDE LEFT CORNER, overall_length: 2.5000 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES LEFT END SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, surface_treatment: ANODIZE LEFT END SURFACE OF BODY. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-089-3024, 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
KJN70-1
NSN: 3120-00-089-3024
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 97613 — SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 2017 OUTER LAYER
corner_shapeCHAMFERED INSIDE LEFT CORNER
overall_length2.5000 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES LEFT END SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentANODIZE LEFT END SURFACE OF BODY
body_inside_diameter4.3780 INCHES MINIMUM AND 4.3800 INCHES MAXIMUM IN
body_outside_diameter4.9970 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-200/3A,T4 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225A,T6 FED SPEC 2ND MATERIAL RESPONSE OUTER LAYER A
surface_treatment_document_and_classificationMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
NSN3120-00-089-3024
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KJN70-1 · 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: 63.0 MICROINCHES RIGHT END SURFACE OF BODY
•
CORNER SHAPE: CHAMFERED INSIDE LEFT CORNER
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPEROUND OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPEROUND OUTSIDE RIGHT CORNER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE LEFT END SURFACE OF BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
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 KJN70-1?
KJN70-1 is a BEARING,SLEEVE.
What is the NSN for KJN70-1?
KJN70-1 is cataloged in the U.S. Government catalog under NSN 3120-00-089-3024. This indicates validated use in U.S. government and defense supply chains.
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