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Technical Data Sheet
PartsTable / COMPONENT / 40402-4
40402-4 ✓ Verified by PartsTable
— · TAPERED BEARING
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,METALLIZED,PAPER. Key specifications include filter: NOT INCLUDED, material: NICKEL ALLOY SEAT, body_style: STRAIGHT THRU, bore_shape: STRAIGHT, bore_diameter: 25.0 MILLIMETERS NOMINAL MM, overall_width: 17.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6653, 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
40402-4
NSN: 3110-00-155-6653
FSC: 3110
CAGE: 19107 — DART TRUCK CO (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY SEAT
body_styleSTRAIGHT THRU
bore_shapeSTRAIGHT
bore_diameter25.0 MILLIMETERS NOMINAL MM
overall_width17.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
overall_height0.312 INCHES NOMINAL IN
surface_finishGROUND
flange_diameter2.750 INCHES NOMINAL IN
inside_diameter0.750 INCHES NOMINAL IN
pressure_rating250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
NSN3110-00-155-6653
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 40402-4 · 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
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
1462Interchangeable
interchangeable cross-reference
interchangeable
11245Interchangeable
interchangeable cross-reference
interchangeable
X440Interchangeable
interchangeable cross-reference
interchangeable
7505086P6Interchangeable
interchangeable cross-reference
interchangeable
DY73AQS4Interchangeable
interchangeable cross-reference
interchangeable
560Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40402-4?
40402-4 is a CAPACITOR,FIXED,METALLIZED,PAPER.
What parts can replace 40402-4?
There are 28 known substitutes for 40402-4: 1462, 11245, X440 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40402-4?
40402-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6653. 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