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Technical Data Sheet
PartsTable / COMPONENT / 7450343
7450343 ✓ 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 material: STEEL OVERALL, overall_width: 0.5625 INCHES NOMINAL IN, outside_diameter: 2.4375 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0780 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-108-1173, 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
7450343
NSN: 3110-01-108-1173
FSC: 3110
CAGE: 23862 — MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02 (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.5625 INCHES NOMINAL IN
outside_diameter2.4375 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0780 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-01-108-1173
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7450343 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.0780 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.4375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
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)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.0780 INCHES NOMINAL IN
OVERALL WIDTH0.5625 INCHES NOMINAL IN
OUTSIDE DIAMETER2.4375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
PA-2006Interchangeable
interchangeable cross-reference
interchangeable
1524-3Interchangeable
interchangeable cross-reference
interchangeable
146-030-0006Interchangeable
interchangeable cross-reference
interchangeable
3278T72Interchangeable
interchangeable cross-reference
interchangeable
5232Interchangeable
interchangeable cross-reference
interchangeable
AB00905232Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7450343?
7450343 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 7450343?
There are 13 known substitutes for 7450343: PA-2006, 1524-3, 146-030-0006 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7450343?
7450343 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-108-1173. 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