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77377 — CAPACITOR,FIXED,PAPER DIELECTRIC

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

77377: CAPACITOR,FIXED,PAPER DIELECTRIC.

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include end_item_identification: COPPER;PRESS CONNECTION, part_name_assigned_by_controlling_agency: PRO PRESS TEE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-1898, 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
77377
NSN: 3110-00-156-1898
NIINs: 001561898, 011471106, 014709100, 016976510
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 99551 — GOODRICH CORPORATION DBA GOODRICH CORP (USA)
SPECIFICATIONS
end_item_identificationCOPPER;PRESS CONNECTION
part_name_assigned_by_controlling_agencyPRO PRESS TEE
NSN3110-00-156-1898
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77377 · 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
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 103.00 MILLIMETERS MAXIMUM MM
•
BORE SMALLEST DIAMETER: 70.00 MILLIMETERS NOMINAL MM
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
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 HEIGHT27.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STYLE DESIGNATORGROOVED RACE SURFACE
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER103.00 MILLIMETERS MAXIMUM MM
BORE SMALLEST DIAMETER70.00 MILLIMETERS NOMINAL MM
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIALSTEEL BALL
MATERIALSTEEL WASHER
SUBSTITUTES & CROSS-REFERENCES 8
158-285Reference document
Same NSN cross-reference
Reference document — Secondary reference
914FReference document
Same NSN cross-reference
Reference document — Secondary reference
72-6970-947Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS17167-107Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1114Reference document
Same NSN cross-reference
Reference document — Secondary reference
70BTMReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77377?
77377 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 77377?
There are 8 known substitutes for 77377: 158-285, 914F, 72-6970-947 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77377?
77377 is cataloged in the U.S. Government catalog under NSN 3110-00-156-1898. 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.