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Technical Data Sheet
PartsTable / COMPONENT / 1701343
1701343 ✓ 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 hole_diameter: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, shoulder_height: 0.032 INCHES NOMINAL IN, outside_diameter: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, style_designator: SHOULDERED, shoulder_diameter: 0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0309, 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
1701343
NSN: 3110-00-100-0309
FSC: 3110
CAGE: 27996 — HEIL ENVIRONMENTAL INDUSTRIES (USA)
SPECIFICATIONS
hole_diameter0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
shoulder_height0.032 INCHES NOMINAL IN
outside_diameter0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
NSN3110-00-100-0309
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1701343 · 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
•
SPECIFICATION/STANDARD DATA: 58536-AA59649-204B MANUFACTURERS SPECIFICATION
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 3.4843 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
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)
SPECIFICATION/STANDARD DATA58536-AA59649-204B MANUFACTURERS SPECIFICATION
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER3.4843 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0312 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.8750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
1304540Interchangeable
interchangeable cross-reference
interchangeable
723Interchangeable
interchangeable cross-reference
interchangeable
NF5HInterchangeable
interchangeable cross-reference
interchangeable
57411Interchangeable
interchangeable cross-reference
interchangeable
FFB571TYPEAInterchangeable
interchangeable cross-reference
interchangeable
K420Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1701343?
1701343 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 1701343?
There are 29 known substitutes for 1701343: 1304540, 723, NF5H and 26 more. Substitute compatibility should be verified for your specific system.
Is 1701343 still available?
1701343 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