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Technical Data Sheet
PartsTable / COMPONENT / 304660C1
304660C1 ✓ 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: 0.9375 INCHES NOMINAL IN, outside_diameter: 3.6718 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0310 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 3110-00-227-4433, 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
304660C1
NSN: 3110-00-227-4433
FSC: 3110
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.9375 INCHES NOMINAL IN
outside_diameter3.6718 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0310 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-227-4433
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 304660C1 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BACKFACE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OUTSIDE DIAMETER: 3.6718 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 WIDTH0.9375 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
BACKFACE CORNER RADIUS0.0310 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OUTSIDE DIAMETER3.6718 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
3730SCInterchangeable
interchangeable cross-reference
interchangeable
3730Interchangeable
interchangeable cross-reference
interchangeable
123CSP10028-511Interchangeable
interchangeable cross-reference
interchangeable
240683R91Interchangeable
interchangeable cross-reference
interchangeable
10514Interchangeable
interchangeable cross-reference
interchangeable
T-86135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 304660C1?
304660C1 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 304660C1?
There are 19 known substitutes for 304660C1: 3730SC, 3730, 123CSP10028-511 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 304660C1?
304660C1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-4433. 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