PartsTable
Technical Data Sheet

R8504815/A01 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

R8504815/A01: BEARING,ROLLER,TAPERED.

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, bore_diameter: 57.531 MILLIMETERS NOMINAL MM, inner_ring_width: 21.0 MILLIMETERS NOMINAL MM, outer_ring_width: 15.875 MILLIMETERS NOMINAL MM, end_item_identification: 2355-01-616-9288; MEDIUM MINE PROTECTED VEHICLE - MMPV, overall_outside_diameter: 96.838 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-669-2355, 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
R8504815/A01
NSN: 3110-01-669-2355
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: SDQ79 — LAND SYSTEMS GEAR RATIO (ZAF)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter57.531 MILLIMETERS NOMINAL MM
inner_ring_width21.0 MILLIMETERS NOMINAL MM
outer_ring_width15.875 MILLIMETERS NOMINAL MM
end_item_identification2355-01-616-9288; MEDIUM MINE PROTECTED VEHICLE - MMPV
overall_outside_diameter96.838 MILLIMETERS NOMINAL MM
NSN3110-01-669-2355
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R8504815/A01 · 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
•
OUTER RING WIDTH: 15.875 MILLIMETERS NOMINAL MM
•
OVERALL OUTSIDE DIAMETER: 96.838 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 57.531 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
INNER RING WIDTH: 21.0 MILLIMETERS NOMINAL MM
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
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH15.875 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER96.838 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATION2355-01-616-9288; MEDIUM MINE PROTECTED VEHICLE - MMPV
BORE DIAMETER57.531 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
INNER RING WIDTH21.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 R8504815/A01?
R8504815/A01 is a BEARING,ROLLER,TAPERED.
What is the NSN for R8504815/A01?
R8504815/A01 is cataloged in the U.S. Government catalog under NSN 3110-01-669-2355. 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.