PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 26623J
26623J ✓ 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: 1.4440 INCHES NOMINAL IN, bore_diameter: 2.3750 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.0938 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 3110-00-100-0281, 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
26623J
NSN: 3110-00-100-0281
FSC: 3110
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.4440 INCHES NOMINAL IN
bore_diameter2.3750 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.0938 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0281
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 26623J · 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
•
CONE WIDTH: 1.4440 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BORE DIAMETER: 2.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.0938 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)
CONE WIDTH1.4440 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORNORMAL ANGLE
BORE DIAMETER2.3750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.0938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
30080Interchangeable
interchangeable cross-reference
interchangeable
116975Interchangeable
interchangeable cross-reference
interchangeable
50116975Interchangeable
interchangeable cross-reference
interchangeable
142250Interchangeable
interchangeable cross-reference
interchangeable
K-558Interchangeable
interchangeable cross-reference
interchangeable
308Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26623J?
26623J is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 26623J?
There are 18 known substitutes for 26623J: 30080, 116975, 50116975 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26623J?
26623J is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0281. 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