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PartsTable / COMPONENT / DD-4905 REF NO 11
DD-4905 REF NO 11 ✓ 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,WASHER,THRUST is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-125-6298, 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
DD-4905 REF NO 11
NSN: 3120-01-125-6298
FSC: 3120
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
NSN3120-01-125-6298
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: DD-4905 REF NO 11 · 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
PE-001631856Interchangeable
interchangeable cross-reference
interchangeable
W-F-00421Interchangeable
interchangeable cross-reference
interchangeable
1259Interchangeable
interchangeable cross-reference
interchangeable
AA1974Interchangeable
interchangeable cross-reference
interchangeable
18605Interchangeable
interchangeable cross-reference
interchangeable
AG34BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-4905 REF NO 11?
DD-4905 REF NO 11 is a BEARING,WASHER,THRUST.
What parts can replace DD-4905 REF NO 11?
There are 14 known substitutes for DD-4905 REF NO 11: PE-001631856, W-F-00421, 1259 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4905 REF NO 11?
DD-4905 REF NO 11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-125-6298. 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