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Technical Data Sheet
PartsTable / COMPONENT / 390673
390673 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 1.1830 INCHES NOMINAL IN, bore_diameter: 2.3622 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1406 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 3110-00-101-0857, 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
390673
NSN: 3110-00-101-0857
FSC: 3110
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.1830 INCHES NOMINAL IN
bore_diameter2.3622 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.1406 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-101-0857
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 390673 · 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
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
BORE DIAMETER: 2.3622 INCHES NOMINAL IN
•
CONE WIDTH: 1.1830 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)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
BORE DIAMETER2.3622 INCHES NOMINAL IN
CONE WIDTH1.1830 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
138262Interchangeable
interchangeable cross-reference
interchangeable
AA3521-4-3Interchangeable
interchangeable cross-reference
interchangeable
3850REDInterchangeable
interchangeable cross-reference
interchangeable
9062940Interchangeable
interchangeable cross-reference
interchangeable
A6270Interchangeable
interchangeable cross-reference
interchangeable
C4413Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 390673?
390673 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 390673?
There are 24 known substitutes for 390673: 138262, AA3521-4-3, 3850RED and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 390673?
390673 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-0857. 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