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PartsTable / COMPONENT / A02DS231-1
A02DS231-1 ✓ 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 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, cup_width: 0.5670 INCHES MINIMUM AND 0.5709 INCHES MAXIMUM IN, cone_width: 0.7067 INCHES MINIMUM AND 0.7087 INCHES MAXIMUM IN, overall_width: 0.7677 INCHES MINIMUM AND 0.7717 INCHES MAXIMUM IN, style_designator: STRAIGHT BORE, NORMAL ANGLE, backface_corner_radius: 0.0300 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-202-2187, 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
A02DS231-1
NSN: 3110-01-202-2187
FSC: 3110
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.5670 INCHES MINIMUM AND 0.5709 INCHES MAXIMUM IN
cone_width0.7067 INCHES MINIMUM AND 0.7087 INCHES MAXIMUM IN
overall_width0.7677 INCHES MINIMUM AND 0.7717 INCHES MAXIMUM IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
backface_corner_radius0.0300 INCHES NOMINAL IN
overall_outside_diameter4.1339 INCHES NOMINAL IN
NSN3110-01-202-2187
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A02DS231-1 · 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
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
CONE WIDTH: 0.7067 INCHES MINIMUM AND 0.7087 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 4.1339 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0300 INCHES NOMINAL IN
•
CUP WIDTH: 0.5670 INCHES MINIMUM AND 0.5709 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
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 (FLIS)
OVERALL WIDTH0.7677 INCHES MINIMUM AND 0.7717 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
CONE WIDTH0.7067 INCHES MINIMUM AND 0.7087 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER4.1339 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0300 INCHES NOMINAL IN
CUP WIDTH0.5670 INCHES MINIMUM AND 0.5709 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
15225Interchangeable
interchangeable cross-reference
interchangeable
2910008984926Interchangeable
interchangeable cross-reference
interchangeable
A43870Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A02DS231-1?
A02DS231-1 is a BEARING,ROLLER,TAPERED.
What parts can replace A02DS231-1?
There are 3 known substitutes for A02DS231-1: 15225, 2910008984926, A43870. Substitute compatibility should be verified for your specific system.
What is the NSN for A02DS231-1?
A02DS231-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-202-2187. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026