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Technical Data Sheet
PartsTable / COMPONENT / 233458
233458 ✓ 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: 1.0630 INCHES NOMINAL IN, outside_diameter: 4.2500 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0312 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0314, 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
233458
NSN: 3110-00-100-0314
FSC: 3110
CAGE: 0B103 — MERITOR SPECIALTY PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width1.0630 INCHES NOMINAL IN
outside_diameter4.2500 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0312 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0314
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 233458 · 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
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 4.2500 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
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)
OVERALL WIDTH1.0630 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER4.2500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
706614Interchangeable
interchangeable cross-reference
interchangeable
3L0138E003Interchangeable
interchangeable cross-reference
interchangeable
14064-3Interchangeable
interchangeable cross-reference
interchangeable
87445051Interchangeable
interchangeable cross-reference
interchangeable
X13PInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 233458?
233458 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 233458?
There are 5 known substitutes for 233458: 706614, 3L0138E003, 14064-3 and 2 more. Substitute compatibility should be verified for your specific system.
Is 233458 still available?
233458 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