PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3053-01
3053-01 ✓ 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,PLASTIC DIELECTR. Key specifications include material: NICKEL ALLOY, bore_shape: STRAIGHT, body_height: 0.185 INCHES MAXIMUM IN, bore_diameter: 75.00 MILLIMETERS NOMINAL MM, overall_width: 45.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8575, 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
3053-01
NSN: 3110-00-144-8575
FSC: 3110
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialNICKEL ALLOY
bore_shapeSTRAIGHT
body_height0.185 INCHES MAXIMUM IN
bore_diameter75.00 MILLIMETERS NOMINAL MM
overall_width45.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
overall_length2.370 INCHES NOMINAL IN
surface_finishGROUND
overall_diameter0.250 INCHES NOMINAL IN
special_featuresMATERIAL NICKEL COPPER ALLOY PER QQ-N-281 CLASS A
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
inclosure_materialGLASS AND METAL
NSN3110-00-144-8575
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3053-01 · 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
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
OVERALL OUTSIDE DIAMETER: 190.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-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)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL OUTSIDE DIAMETER190.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
OVERALL WIDTH45.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE DIAMETER75.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
128SCSEA751-3Interchangeable
interchangeable cross-reference
interchangeable
6415Interchangeable
interchangeable cross-reference
interchangeable
519640-1Interchangeable
interchangeable cross-reference
interchangeable
5030-111Interchangeable
interchangeable cross-reference
interchangeable
140011AInterchangeable
interchangeable cross-reference
interchangeable
149377Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3053-01?
3053-01 is a CAPACITOR,FIXED,PLASTIC DIELECTR.
What parts can replace 3053-01?
There are 28 known substitutes for 3053-01: 128SCSEA751-3, 6415, 519640-1 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3053-01?
3053-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8575. 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