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Technical Data Sheet
PartsTable / COMPONENT / N11189
N11189 ✓ 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 CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: STEEL COMP 430 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.9678 INCHES MINIMUM AND 1.9698 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES LEFT END SURFACE OF BODY, hardness_rating: 52.0 ROCKWELL C NOMINAL OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-8691, 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
N11189
NSN: 3120-00-287-8691
FSC: 3120
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 430 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.9678 INCHES MINIMUM AND 1.9698 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES LEFT END SURFACE OF BODY
hardness_rating52.0 ROCKWELL C NOMINAL OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.2460 INCHES MINIMUM AND 2.2480 INCHES MAXIMUM IN
body_outside_diameter2.5928 INCHES MINIMUM AND 2.5948 INCHES MAXIMUM IN
NSN3120-00-287-8691
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: N11189 · 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
•
BODY OUTSIDE DIAMETER: 2.5928 INCHES MINIMUM AND 2.5948 INCHES MAXIMUM IN
•
SURFACE FINISH: 8.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: STEEL COMP 430 OVERALL
•
HARDNESS RATING: 52.0 ROCKWELL C NOMINAL OVERALL
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER2.5928 INCHES MINIMUM AND 2.5948 INCHES MAXIMUM IN
OVERALL LENGTH1.9678 INCHES MINIMUM AND 1.9698 INCHES MAXIMUM IN
SURFACE FINISH8.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALSTEEL COMP 430 OVERALL
HARDNESS RATING52.0 ROCKWELL C NOMINAL OVERALL
SURFACE FINISH32.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
SURFACE FINISH32.0 MICROINCHES LEFT END SURFACE OF BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
11189Interchangeable
interchangeable cross-reference
interchangeable
170-002-000-0Interchangeable
interchangeable cross-reference
interchangeable
PP6241UInterchangeable
interchangeable cross-reference
interchangeable
6B668Interchangeable
interchangeable cross-reference
interchangeable
P11459Interchangeable
interchangeable cross-reference
interchangeable
ETW189-125-NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N11189?
N11189 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace N11189?
There are 17 known substitutes for N11189: 11189, 170-002-000-0, PP6241U and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N11189?
N11189 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-8691. 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