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Technical Data Sheet
PartsTable / MRO / 120030-1
120030-1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CAPACITOR,FIXED,PLASTIC DIELECTR. Key specifications include depth: 2.69 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.492 INCHES NOMINAL IN, leg_length: 1.25 INCHES NOMINAL IN, body_height: 0.267 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-062-4876, 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
MRO→ MRO_GENERAL→ 120030-1
NSN: 3110-01-062-4876
FSC: 3110
CAGE: 73047 — FAIRFIELD MANUFACTURING COMPANY, INC. DBA DANA FAIRFIELD (USA)
SPECIFICATIONS
depth2.69 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.492 INCHES NOMINAL IN
leg_length1.25 INCHES NOMINAL IN
body_height0.267 INCHES NOMINAL IN
body_length0.700 INCHES NOMINAL IN
current_typeAC
flange_shapeROUND
inside_depth28.0 INCHES NOMINAL IN
bore_diameter2.1270 INCHES MINIMUM AND 2.1370 INCHES MAXIMUM IN
overall_width0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
NSN3110-01-062-4876
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 120030-1 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 2.8450 INCHES MINIMUM AND 2.8650 INCHES MAXIMUM IN
•
BORE DIAMETER: 2.1270 INCHES MINIMUM AND 2.1370 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT RACE SURFACE
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)
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER2.8450 INCHES MINIMUM AND 2.8650 INCHES MAXIMUM IN
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
BORE DIAMETER2.1270 INCHES MINIMUM AND 2.1370 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT RACE SURFACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1200301Interchangeable
interchangeable cross-reference
interchangeable
120030Interchangeable
interchangeable cross-reference
interchangeable
TRD3446Interchangeable
Same NIIN cross-reference
interchangeable
1110518C1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120030-1?
120030-1 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 120030-1?
There are 4 known substitutes for 120030-1: 1200301, 120030, TRD3446 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120030-1?
120030-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-062-4876. 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