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Technical Data Sheet
PartsTable / COMPONENT / 2146439
2146439 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE OUTSIDE LEFT CORNER, flange_width: 0.2030 INCHES NOMINAL IN, overall_length: 0.4840 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.3280 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-416-6740, 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
2146439
NSN: 3120-00-416-6740
FSC: 3120
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE OUTSIDE LEFT CORNER
flange_width0.2030 INCHES NOMINAL IN
overall_length0.4840 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.3280 INCHES NOMINAL IN
body_outside_diameter0.5490 INCHES NOMINAL IN
flange_outside_diameter0.7500 INCHES NOMINAL IN
NSN3120-00-416-6740
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2146439 · 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: SQUARE OUTSIDE LEFT CORNER
•
FLANGE OUTSIDE DIAMETER: 0.7500 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.3280 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.5490 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.2030 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER0.7500 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.3280 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.5490 INCHES NOMINAL IN
FLANGE WIDTH0.2030 INCHES NOMINAL IN
CORNER SHAPEUNDERCUT LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
GGG-W-641Interchangeable
interchangeable cross-reference
interchangeable
900AS/L-3/8Interchangeable
interchangeable cross-reference
interchangeable
B107.110 CAT 1 TY1Interchangeable
interchangeable cross-reference
interchangeable
C54505Interchangeable
interchangeable cross-reference
interchangeable
313315Interchangeable
interchangeable cross-reference
interchangeable
14093Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2146439?
2146439 is a BUSHING,SLEEVE.
What parts can replace 2146439?
There are 15 known substitutes for 2146439: GGG-W-641, 900AS/L-3/8, B107.110 CAT 1 TY1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2146439?
2146439 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-416-6740. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026