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Technical Data Sheet
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ST897 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include length: 44.0 MILLIMETERS NOMINAL MM, material: STEEL CORROSION RESISTING OVERALL, nut_style: ROUND, body_width: 0.100 INCHES NOMINAL IN, body_height: 0.260 INCHES MAXIMUM IN, body_length: 0.200 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0321, 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
ST897
NSN: 3110-00-100-0321
FSC: 3110
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
length44.0 MILLIMETERS NOMINAL MM
materialSTEEL CORROSION RESISTING OVERALL
nut_styleROUND
body_width0.100 INCHES NOMINAL IN
body_height0.260 INCHES MAXIMUM IN
body_length0.200 INCHES NOMINAL IN
bonnet_typeINSIDE SCREW
nut_diameter3.1563 INCHES NOMINAL IN
hole_quantity5
nut_thickness0.5313 INCHES NOMINAL IN
overall_width1.900 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
NSN3110-00-100-0321
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST897 · 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
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 26
493Interchangeable
interchangeable cross-reference
interchangeable
22934Interchangeable
interchangeable cross-reference
interchangeable
SDM323AInterchangeable
interchangeable cross-reference
interchangeable
37879-2Interchangeable
interchangeable cross-reference
interchangeable
27ACInterchangeable
interchangeable cross-reference
interchangeable
22615Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST897?
ST897 is a CUP,TAPERED ROLLER BEARING.
What parts can replace ST897?
There are 26 known substitutes for ST897: 493, 22934, SDM323A and 23 more. Substitute compatibility should be verified for your specific system.
Is ST897 still available?
ST897 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