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075493 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

075493: 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 part_name_assigned_by_controlling_agency: MAIN PISTON SEAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0321, 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
075493
NSN: 3110-00-100-0321
NIINs: 001000321, 016807739
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 66654 — TVH PARTS CO. (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyMAIN PISTON SEAL
NSN3110-00-100-0321
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 075493 · 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 10
ST897Reference document
Same NSN cross-reference
Reference document — Secondary reference
84603Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3022047Reference document
Same NSN cross-reference
Reference document — Secondary reference
E050110Reference document
Same NSN cross-reference
Reference document — Secondary reference
64AX183Reference document
Same NSN cross-reference
Reference document — Secondary reference
284154Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 075493?
075493 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 075493?
There are 10 known substitutes for 075493: ST897, 84603, 3022047 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 075493?
075493 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0321. 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.