PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 72-6970-963
72-6970-963 ✓ 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,AIR DIELECTRI. Key specifications include material: STEEL BALL, alignment_type: RIGID, overall_height: 25.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 40.0 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 3110-00-156-1875, 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
72-6970-963
NSN: 3110-00-156-1875
FSC: 3110
CAGE: 50024 — COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO (USA)
SPECIFICATIONS
materialSTEEL BALL
alignment_typeRIGID
overall_height25.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter40.0 MILLIMETERS NOMINAL MM
overall_outside_diameter76.0 MILLIMETERS NOMINAL MM
standard_tolerance_designationAFBMA STD TOLERANCE FOR THRUST BEARINGS
thrust_directional_capability_designationSINGLE
NSN3110-00-156-1875
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 72-6970-963 · 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: 76.0 MILLIMETERS NOMINAL MM
•
BORE SMALLEST DIAMETER: 40.0 MILLIMETERS NOMINAL MM
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
ALIGNMENT TYPE: RIGID
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL WASHER
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 DIAMETER76.0 MILLIMETERS NOMINAL MM
BORE SMALLEST DIAMETER40.0 MILLIMETERS NOMINAL MM
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
ALIGNMENT TYPERIGID
STYLE DESIGNATORGROOVED RACE SURFACE
SURFACE FINISHGROUND
MATERIALSTEEL WASHER
OVERALL HEIGHT25.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIALSTEEL BALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
809000-412Interchangeable
interchangeable cross-reference
interchangeable
666163-343Interchangeable
interchangeable cross-reference
interchangeable
3908Interchangeable
interchangeable cross-reference
interchangeable
5947510Interchangeable
interchangeable cross-reference
interchangeable
946057-508Interchangeable
interchangeable cross-reference
interchangeable
14334Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 72-6970-963?
72-6970-963 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 72-6970-963?
There are 18 known substitutes for 72-6970-963: 809000-412, 666163-343, 3908 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 72-6970-963?
72-6970-963 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1875. 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