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PartsTable / COMPONENT / 439B656 PIECE 24
439B656 PIECE 24 ✓ 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: STEEL OUTER LAYER, overall_length: 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN, body_inside_diameter: 0.5000 INCHES NOMINAL IN, body_outside_diameter: 0.5930 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 3120-00-061-9685, 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
439B656 PIECE 24
NSN: 3120-00-061-9685
FSC: 3120
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL OUTER LAYER
overall_length0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
body_inside_diameter0.5000 INCHES NOMINAL IN
body_outside_diameter0.5930 INCHES NOMINAL IN
NSN3120-00-061-9685
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 439B656 PIECE 24 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
61298A8-8Interchangeable
interchangeable cross-reference
interchangeable
08DU08Interchangeable
interchangeable cross-reference
interchangeable
40858Interchangeable
interchangeable cross-reference
interchangeable
XM-36485-18-3300-0-LInterchangeable
interchangeable cross-reference
interchangeable
CD4085BEInterchangeable
interchangeable cross-reference
interchangeable
2637509-17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 439B656 PIECE 24?
439B656 PIECE 24 is a BEARING,SLEEVE.
What parts can replace 439B656 PIECE 24?
There are 16 known substitutes for 439B656 PIECE 24: 61298A8-8, 08DU08, 40858 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 439B656 PIECE 24?
439B656 PIECE 24 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-061-9685. 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