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Technical Data Sheet
PartsTable / COMPONENT / A-2087
A-2087 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The COLLAR,CABLE SUPPORT is a the manufacturer cable assembly designed for reliable internal or external connectivity in enterprise server and storage environments. Key specifications include general_characteristics_item_description: ALUMINUM 2024 T351 QQ-A-250/4,0.500 IN. THK IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-157-3726, 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
A-2087
NSN: 3110-00-157-3726
FSC: 3110
CAGE: 00658 — ABC ACQUISITION COMPANY DBA AETNA BEARING COMPANY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionALUMINUM 2024 T351 QQ-A-250/4,0.500 IN. THK IN
NSN3110-00-157-3726
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-2087 · 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
•
ALIGNMENT TYPE: RIGID
•
OVERALL OUTSIDE DIAMETER: 3.5000 INCHES NOMINAL IN
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
BORE SMALLEST DIAMETER: 2.2600 INCHES MINIMUM AND 2.2700 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
ALIGNMENT TYPERIGID
OVERALL OUTSIDE DIAMETER3.5000 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
BORE SMALLEST DIAMETER2.2600 INCHES MINIMUM AND 2.2700 INCHES MAXIMUM IN
SPECIAL FEATURESBRONZE FERRULE ON ID OF ONE WASHER,WASHERS OVERLAP
OVERALL HEIGHT0.7250 INCHES MINIMUM AND 0.7350 INCHES MAXIMUM IN
STYLE DESIGNATORCLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
MATERIALCOPPER ALLOY RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
A-A-50439-1Interchangeable
interchangeable cross-reference
interchangeable
X951225Interchangeable
interchangeable cross-reference
interchangeable
849546-10Interchangeable
interchangeable cross-reference
interchangeable
22618Interchangeable
interchangeable cross-reference
interchangeable
24099Interchangeable
interchangeable cross-reference
interchangeable
31605Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-2087?
A-2087 is a COLLAR,CABLE SUPPORT.
What parts can replace A-2087?
There are 24 known substitutes for A-2087: A-A-50439-1, X951225, 849546-10 and 21 more. Substitute compatibility should be verified for your specific system.
Is A-2087 still available?
A-2087 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026