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Technical Data Sheet
PartsTable / COMPONENT / 710989
710989 ✓ Verified by PartsTable
Kosmos · 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 CUP,TAPERED ROLLER BEARING is a Kosmos tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: RUBBER SYNTHETIC OVERALL, peripheral_diameter: 1.562 INCHES NOMINAL IN, center_hole_diameter: 1.250 INCHES NOMINAL IN, cross-sectional_height: 0.156 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0328, 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
710989
NSN: 3110-00-100-0328
FSC: 3110
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
peripheral_diameter1.562 INCHES NOMINAL IN
center_hole_diameter1.250 INCHES NOMINAL IN
cross-sectional_height0.156 INCHES NOMINAL IN
cross-sectional_shape_styleU
NSN3110-00-100-0328
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 710989 · Kosmos ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
30098Interchangeable
interchangeable cross-reference
interchangeable
27042Interchangeable
interchangeable cross-reference
interchangeable
T80Interchangeable
interchangeable cross-reference
interchangeable
600138Interchangeable
interchangeable cross-reference
interchangeable
40312Interchangeable
interchangeable cross-reference
interchangeable
18-142Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 710989?
710989 is a CUP,TAPERED ROLLER BEARING manufactured by Kosmos.
What parts can replace 710989?
There are 30 known substitutes for 710989: 30098, 27042, T80 and 27 more. Substitute compatibility should be verified for your specific system.
Is 710989 still available?
710989 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