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15943J — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

15943J: CUP,TAPERED ROLLER BEARING.

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include phase: SINGLE INPUT, material: STEEL COMP 631 OVERALL, core_type: RIBBON CELLULAR, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, body_style: CYLINDRICAL SERVO MOUNTED, core_width: 6.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0375, 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
15943J
NSN: 3110-00-100-0375
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
phaseSINGLE INPUT
materialSTEEL COMP 631 OVERALL
core_typeRIBBON CELLULAR
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
body_styleCYLINDRICAL SERVO MOUNTED
core_width6.125 INCHES NOMINAL IN
duty_cycleCONTINUOUS
body_length1.030 INCHES MAXIMUM IN
core_height8.500 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
bearing_typeBEARING SHAFT
pilot_length0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
NSN3110-00-100-0375
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 15943J · 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
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
SUBSTITUTES & CROSS-REFERENCES 8
706760Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3525Reference document
Same NSN cross-reference
Reference document — Secondary reference
MA1623Reference document
Same NSN cross-reference
Reference document — Secondary reference
581584Reference document
Same NSN cross-reference
Reference document — Secondary reference
R7355Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
149055Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 15943J?
15943J is a CUP,TAPERED ROLLER BEARING.
What parts can replace 15943J?
There are 8 known substitutes for 15943J: 706760, 3525, MA1623 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15943J?
15943J is cataloged in the U.S. Government catalog under NSN 3110-00-100-0375. 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.