PartsTable
Technical Data Sheet
PartsTable / MRO / CT40
CT40 ✓ 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,CERAMIC DIELECTR. Key specifications include material: CERAMIC CASE, body_style: W/O MTG FACILITIES, RADIAL TERMINALS, bore_shape: STRAIGHT, body_length: 0.430 INCHES NOMINAL IN, design_type: PLAIN, load_rating: 4000.000 POUNDS MAXIMUM LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-5894, 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→ CT40
NSN: 3110-00-158-5894
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCERAMIC CASE
body_styleW/O MTG FACILITIES, RADIAL TERMINALS
bore_shapeSTRAIGHT
body_length0.430 INCHES NOMINAL IN
design_typePLAIN
load_rating4000.000 POUNDS MAXIMUM LBS
body_diameter0.225 INCHES NOMINAL IN
bore_diameter2.4994 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
contact_angle15.0 DEGREES NOMINAL
overall_width1.0525 INCHES MINIMUM IN
load_directionANGULAR
surface_finishGROUND
NSN3110-00-158-5894
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CT40 · 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 INNER RING
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 2.4994 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
•
OUTER RING WIDTH: 0.9060 INCHES NOMINAL 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 (FLIS)
MATERIALSTEEL INNER RING
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIALSTEEL OUTER RING
MATERIALSTEEL RETAINER
SPECIAL FEATURESONE FACE OF INNER RING FORMS LIP WHICH EXTENDS UP TO ID OF OUTER RING ON COUNTERBORED SIDE
BORE SHAPESTRAIGHT
BORE DIAMETER2.4994 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
OUTER RING WIDTH0.9060 INCHES NOMINAL IN
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER4.0740 INCHES MINIMUM AND 4.0750 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
005115Interchangeable
interchangeable cross-reference
interchangeable
700995Interchangeable
interchangeable cross-reference
interchangeable
331-051-U2K0-209CInterchangeable
interchangeable cross-reference
interchangeable
CC20UK020CInterchangeable
interchangeable cross-reference
interchangeable
301N750-020CInterchangeable
interchangeable cross-reference
interchangeable
CT-40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CT40?
CT40 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace CT40?
There are 10 known substitutes for CT40: 005115, 700995, 331-051-U2K0-209C and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CT40?
CT40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-5894. 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