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KJN4-46 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

KJN4-46: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OR STEEL COMP 410 OR STEEL COMP 416 OUTER LAYER, corner_shape: UNDERCUT LEFT FLANGE BODY CORNER, flange_width: 0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN, overall_length: 0.4225 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE, hardness_rating: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OUTER LAYER. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-182-8071, 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
KJN4-46
NSN: 3120-00-182-8071
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 97613 — SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OR STEEL COMP 410 OR STEEL COMP 416 OUTER LAYER
corner_shapeUNDERCUT LEFT FLANGE BODY CORNER
flange_width0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
overall_length0.4225 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
hardness_rating27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OUTER LAYER
special_features0.1400 IN. NOM FLANGE CUT OFF IN ONE PLACE,PLASTIC POLYTETRAFLUOROETHYLENE LINER BONDED TO LEFT END SURFACE OF FLANGE IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.2505 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
body_outside_diameter0.3680 INCHES MINIMUM AND 0.3685 INCHES MAXIMUM IN
flange_outside_diameter0.7300 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
NSN3120-00-182-8071
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KJN4-46 · 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: 8.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS
SURFACE FINISH8.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPEUNDERCUT LEFT FLANGE BODY CORNER
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
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 KJN4-46?
KJN4-46 is a BEARING,SLEEVE.
What is the NSN for KJN4-46?
KJN4-46 is cataloged in the U.S. Government catalog under NSN 3120-00-182-8071. This indicates validated use in U.S. government and defense supply chains.
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