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72-6970-938 — CAPACITOR,FIXED,GLASS DIELECTRIC

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

72-6970-938: CAPACITOR,FIXED,GLASS DIELECTRIC.

CAPACITOR,FIXED,GLASS DIELECTRIC. Key specifications include material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, alignment_type: RIGID, overall_height: 15.5 MILLIMETERS NOMINAL MM, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 25.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-1863, 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
72-6970-938
NSN: 3110-00-156-1863
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
alignment_typeRIGID
overall_height15.5 MILLIMETERS NOMINAL MM
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter25.0 MILLIMETERS NOMINAL MM
overall_outside_diameter48.0 MILLIMETERS NOMINAL MM
standard_tolerance_designationAFBMA STD TOLERANCE FOR THRUST BEARINGS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
thrust_directional_capability_designationSINGLE
NSN3110-00-156-1863
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 72-6970-938 · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 48.0 MILLIMETERS NOMINAL MM
•
BORE SMALLEST DIAMETER: 25.0 MILLIMETERS NOMINAL MM
•
ALIGNMENT TYPE: RIGID
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
OVERALL HEIGHT15.5 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STYLE DESIGNATORGROOVED RACE SURFACE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER48.0 MILLIMETERS NOMINAL MM
BORE SMALLEST DIAMETER25.0 MILLIMETERS NOMINAL MM
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
65561-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
1005Reference document
Same NSN cross-reference
Reference document — Secondary reference
12Z317-43Reference document
Same NSN cross-reference
Reference document — Secondary reference
905Reference document
Same NSN cross-reference
Reference document — Secondary reference
905FReference document
Same NSN cross-reference
Reference document — Secondary reference
15152Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 72-6970-938?
72-6970-938 is a CAPACITOR,FIXED,GLASS DIELECTRIC.
What parts can replace 72-6970-938?
There are 7 known substitutes for 72-6970-938: 65561-11, 1005, 12Z317-43 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 72-6970-938?
72-6970-938 is cataloged in the U.S. Government catalog under NSN 3110-00-156-1863. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.