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TS2586-2523 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

TS2586-2523: 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 cup_width: 0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN, cone_width: 0.9983 INCHES NOMINAL0.9983 INCHES NOMINAL IN, bore_diameter: 1.1810 INCHES MINIMUM AND 1.1810 INCHES MINIMUM AND 1.1815 INCHES MAXIMUM1.1815 INCHES MAXIMUM IN, overall_width: 0.9295 INCHES MINIMUM AND 0.9295 INCHES MINIMUM AND 0.9455 INCHES MAXIMUM0.9455 INCHES MAXIMUM IN, standout_width: 0.1875 INCHES NOMINAL0.1875 INCHES NOMINAL IN, style_designator: STRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-351-5644, 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
TS2586-2523
NSN: 3110-01-351-5644
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
cup_width0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN
cone_width0.9983 INCHES NOMINAL0.9983 INCHES NOMINAL IN
bore_diameter1.1810 INCHES MINIMUM AND 1.1810 INCHES MINIMUM AND 1.1815 INCHES MAXIMUM1.1815 INCHES MAXIMUM IN
overall_width0.9295 INCHES MINIMUM AND 0.9295 INCHES MINIMUM AND 0.9455 INCHES MAXIMUM0.9455 INCHES MAXIMUM IN
standout_width0.1875 INCHES NOMINAL0.1875 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL0.1400 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL0.0500 INCHES NOMINAL IN
overall_outside_diameter2.7500 INCHES MINIMUM AND 2.7500 INCHES MINIMUM AND 2.7505 INCHES MAXIMUM2.7505 INCHES MAXIMUM IN
NSN3110-01-351-5644
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TS2586-2523 · 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
•
CUP WIDTH: 0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 2.7500 INCHES MINIMUM AND 2.7500 INCHES MINIMUM AND 2.7505 INCHES MAXIMUM2.7505 INCHES MAXIMUM IN
•
BACKFACE CORNER RADIUS: 0.0500 INCHES NOMINAL0.0500 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1875 INCHES NOMINAL0.1875 INCHES NOMINAL IN
•
CONE WIDTH: 0.9983 INCHES NOMINAL0.9983 INCHES NOMINAL IN
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
CUP WIDTH0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH0.9295 INCHES MINIMUM AND 0.9295 INCHES MINIMUM AND 0.9455 INCHES MAXIMUM0.9455 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.7500 INCHES MINIMUM AND 2.7500 INCHES MINIMUM AND 2.7505 INCHES MAXIMUM2.7505 INCHES MAXIMUM IN
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL0.0500 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.1875 INCHES NOMINAL0.1875 INCHES NOMINAL IN
CONE WIDTH0.9983 INCHES NOMINAL0.9983 INCHES NOMINAL IN
BORE DIAMETER1.1810 INCHES MINIMUM AND 1.1810 INCHES MINIMUM AND 1.1815 INCHES MAXIMUM1.1815 INCHES MAXIMUM IN
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 2
3237593Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
TS2586-2523-CL0Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 TS2586-2523?
TS2586-2523 is a BEARING,ROLLER,TAPERED.
What parts can replace TS2586-2523?
There are 2 known substitutes for TS2586-2523: 3237593, TS2586-2523-CL0. Substitute compatibility should be verified for your specific system.
What is the NSN for TS2586-2523?
TS2586-2523 is cataloged in the U.S. Government catalog under NSN 3110-01-351-5644. 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.