PartsTable
Technical Data Sheet
PartsTable / COMPONENT / KJN70-1
KJN70-1 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) 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
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
•
CORNER SHAPE: ROUND OUTSIDE RIGHT CORNER
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
•
MATERIAL: ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 2017 OUTER LAYER
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY OUTSIDE DIAMETER: 4.9970 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 4.3780 INCHES MINIMUM AND 4.3800 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPEROUND OUTSIDE RIGHT CORNER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
MATERIALALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 2017 OUTER LAYER
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY OUTSIDE DIAMETER4.9970 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN
OVERALL LENGTH2.5000 INCHES NOMINAL IN
BODY INSIDE DIAMETER4.3780 INCHES MINIMUM AND 4.3800 INCHES MAXIMUM IN
MATERIALCOTTON INNER LAYER
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 TREATMENTANODIZE RIGHT END SURFACE OF BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
42612Interchangeable
interchangeable cross-reference
interchangeable
555-3/8Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 41Interchangeable
interchangeable cross-reference
interchangeable
5670-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy KJN70-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is KJN70-1?
KJN70-1 is a BEARING,SLEEVE.
What parts can replace KJN70-1?
There are 4 known substitutes for KJN70-1: 42612, 555-3/8, B94.19 TABLE 41 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KJN70-1?
KJN70-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-089-3024. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — KJN70-1

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026