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Technical Data Sheet
PartsTable / COMPONENT / DD-4618 REF NO. 11
DD-4618 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 DD-4618 REF NO. 11 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-137-7133, 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-4618 REF NO. 11
NSN: 3120-01-137-7133
FSC: 3120
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
Part NumberDD-4618 REF NO. 11
NSN3120-01-137-7133
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: DD-4618 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
802509Interchangeable
interchangeable cross-reference
interchangeable
8677054Interchangeable
interchangeable cross-reference
interchangeable
18602Interchangeable
interchangeable cross-reference
interchangeable
SK9491-3PC12 PT18602Interchangeable
interchangeable cross-reference
interchangeable
3P94003-101Interchangeable
interchangeable cross-reference
interchangeable
18601Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-4618 REF NO. 11?
DD-4618 REF NO. 11 is a DD-4618 REF NO. 11.
What parts can replace DD-4618 REF NO. 11?
There are 11 known substitutes for DD-4618 REF NO. 11: 802509, 8677054, 18602 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4618 REF NO. 11?
DD-4618 REF NO. 11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-137-7133. 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