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191-126 — CELL,BATTERY

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

191-126: CELL,BATTERY.

The CELL,BATTERY 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 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0300 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN, overall_length: 0.2270 INCHES NOMINAL IN, surface_finish: 40.0 MICROINCHES OVERALL, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-098-3656, 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
191-126
NSN: 3120-00-098-3656
NIINs: 000983656, 014825829
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0300 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN
overall_length0.2270 INCHES NOMINAL IN
surface_finish40.0 MICROINCHES OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentPASSIVATE OVERALL
body_inside_diameter0.1930 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
body_outside_diameter0.3200 INCHES MINIMUM AND 0.3260 INCHES MAXIMUM IN
end_item_identificationPORTABLE PRESSURE CALIBRATOR, MODEL DPI 610
flange_outside_diameter0.5240 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM IN
material_document_and_classificationAMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN3120-00-098-3656
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 191-126 · 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
•
SURFACE FINISH: 40.0 MICROINCHES OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
FLANGE OUTSIDE DIAMETER: 0.5240 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.3200 INCHES MINIMUM AND 0.3260 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
BODY INSIDE DIAMETER: 0.1930 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
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
SURFACE FINISH40.0 MICROINCHES OVERALL
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER0.5240 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3200 INCHES MINIMUM AND 0.3260 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH0.2270 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.1930 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
FLANGE WIDTH0.0300 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 191-126?
191-126 is a CELL,BATTERY.
What is the NSN for 191-126?
191-126 is cataloged in the U.S. Government catalog under NSN 3120-00-098-3656. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.