PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 156963H1
156963H1 ✓ 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,VARIABLE,CERAMIC DIELE. Key specifications include overall_length: 0.7500 INCHES NOMINAL IN, special_features: ROLLER TYPE: SOLID, overall_outside_diameter: 1.2500 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 3110-00-227-2402, 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
156963H1
NSN: 3110-00-227-2402
FSC: 3110
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
overall_length0.7500 INCHES NOMINAL IN
special_featuresROLLER TYPE: SOLID
overall_outside_diameter1.2500 INCHES NOMINAL IN
NSN3110-00-227-2402
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 156963H1 · 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
•
OVERALL OUTSIDE DIAMETER: 1.2500 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)
OVERALL OUTSIDE DIAMETER1.2500 INCHES NOMINAL IN
SPECIAL FEATURESROLLER TYPE: SOLID
OVERALL LENGTH0.7500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
557-021C0P039RInterchangeable
interchangeable cross-reference
interchangeable
557-021A5-25Interchangeable
interchangeable cross-reference
interchangeable
557-06Interchangeable
interchangeable cross-reference
interchangeable
15693Interchangeable
interchangeable cross-reference
interchangeable
RG25AUInterchangeable
interchangeable cross-reference
interchangeable
86045Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 156963H1?
156963H1 is a CAPACITOR,VARIABLE,CERAMIC DIELE.
What parts can replace 156963H1?
There are 20 known substitutes for 156963H1: 557-021C0P039R, 557-021A5-25, 557-06 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 156963H1?
156963H1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2402. 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