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Technical Data Sheet
PartsTable / COMPONENT / 454925
454925 ✓ 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,PAPER DIELECTRIC. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 60.00 MILLIMETERS NOMINAL MM, overall_width: 31.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6775, 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
454925
NSN: 3110-00-155-6775
FSC: 3110
CAGE: 65054 — WESTINGHOUSE ELECTRIC CORP POWER GENERATION-GENERATOR DIV (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter60.00 MILLIMETERS NOMINAL MM
overall_width31.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter130.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-155-6775
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 454925 · 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 BALL
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 60.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
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)
OVERALL WIDTH31.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
LOAD DIRECTIONRADIAL
BORE DIAMETER60.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER130.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
M186Interchangeable
interchangeable cross-reference
interchangeable
7267AInterchangeable
interchangeable cross-reference
interchangeable
37C101019Interchangeable
interchangeable cross-reference
interchangeable
4033082P001Interchangeable
interchangeable cross-reference
interchangeable
M187Interchangeable
interchangeable cross-reference
interchangeable
3026378P2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 454925?
454925 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 454925?
There are 28 known substitutes for 454925: M186, 7267A, 37C101019 and 25 more. Substitute compatibility should be verified for your specific system.
Is 454925 still available?
454925 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026