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KDJ52-20 — LINER,ANTIFRETTING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

KDJ52-20: LINER,ANTIFRETTING.

The LINER,ANTIFRETTING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, flange_width: 0.1030 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_outside_diameter: 3.4780 INCHES NOMINAL IN, end_item_identification: PREPROVISIONING SUPPORT NAVICP IS POE, flange_outside_diameter: 4.1880 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-361-2977, 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
KDJ52-20
NSN: 3120-01-361-2977
NIINs: 013612977, 014254824
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 97613 — SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
flange_width0.1030 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_outside_diameter3.4780 INCHES NOMINAL IN
end_item_identificationPREPROVISIONING SUPPORT NAVICP IS POE
flange_outside_diameter4.1880 INCHES NOMINAL IN
NSN3120-01-361-2977
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KDJ52-20 · 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
•
FLANGE OUTSIDE DIAMETER: 4.1880 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.4780 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
FLANGE WIDTH: 0.1030 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER4.1880 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.4780 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
FLANGE WIDTH0.1030 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAIRCRAFT MODEL H-46
MATERIALSTEEL CORROSION RESISTING BODY
SUBSTITUTES & CROSS-REFERENCES 2
A02R2711-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
KJB416-352VSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KDJ52-20?
KDJ52-20 is a LINER,ANTIFRETTING.
What parts can replace KDJ52-20?
There are 2 known substitutes for KDJ52-20: A02R2711-3, KJB416-352V. Substitute compatibility should be verified for your specific system.
What is the NSN for KDJ52-20?
KDJ52-20 is cataloged in the U.S. Government catalog under NSN 3120-01-361-2977. 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.