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Technical Data Sheet
PartsTable / COMPONENT / DB7188
DB7188 ✓ 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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-343-2367, 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
DB7188
NSN: 3120-00-343-2367
FSC: 3120
CAGE: 81601 — NORFOLK NAVAL SHIPYARD (USA)
SPECIFICATIONS
Part NumberDB7188
NSN3120-00-343-2367
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: DB7188 · 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 17
103156Interchangeable
interchangeable cross-reference
interchangeable
7188Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQA200-11Interchangeable
interchangeable cross-reference
interchangeable
1E84Interchangeable
interchangeable cross-reference
interchangeable
QQA200-11Interchangeable
interchangeable cross-reference
interchangeable
JHP39-903Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DB7188?
DB7188 is a BEARING,SLEEVE.
What parts can replace DB7188?
There are 17 known substitutes for DB7188: 103156, 7188, AMS-QQA200-11 and 14 more. Substitute compatibility should be verified for your specific system.
Is DB7188 still available?
DB7188 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026