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ST-897 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

ST-897: CUP,TAPERED ROLLER BEARING.

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 U.S.

Government catalog 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
ST-897
NSN: 3110-00-100-0321
NIINs: 001000321, 011420197
FSC: 3110 — Bearings, Antifriction, Unmounted
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: ST-897 · 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
SUBSTITUTES & CROSS-REFERENCES 9
84603Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3022047Reference document
Same NSN cross-reference
Reference document — Secondary reference
E050110Reference document
Same NSN cross-reference
Reference document — Secondary reference
64AX183Reference document
Same NSN cross-reference
Reference document — Secondary reference
284154Reference document
Same NSN cross-reference
Reference document — Secondary reference
A35383XReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST-897?
ST-897 is a CUP,TAPERED ROLLER BEARING.
What parts can replace ST-897?
There are 9 known substitutes for ST-897: 84603, 3022047, E050110 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST-897?
ST-897 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0321. 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.