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Technical Data Sheet
PartsTable / COMPONENT / 7451123
7451123 ✓ 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: 1.0000 INCHES NOMINAL IN, bore_diameter: 1.7500 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.2000 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 3110-00-106-6256, 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
7451123
NSN: 3110-00-106-6256
FSC: 3110
CAGE: 23862 — MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02 (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.0000 INCHES NOMINAL IN
bore_diameter1.7500 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.2000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-106-6256
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7451123 · 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: 0.2000 INCHES NOMINAL IN
•
BORE DIAMETER: 1.7500 INCHES NOMINAL IN
•
CONE WIDTH: 1.0000 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 RADIUS0.2000 INCHES NOMINAL IN
BORE DIAMETER1.7500 INCHES NOMINAL IN
CONE WIDTH1.0000 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
AN5-7Interchangeable
interchangeable cross-reference
interchangeable
255-82Interchangeable
interchangeable cross-reference
interchangeable
21399Interchangeable
interchangeable cross-reference
interchangeable
947227Interchangeable
interchangeable cross-reference
interchangeable
49660HInterchangeable
interchangeable cross-reference
interchangeable
JHP39-22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7451123?
7451123 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 7451123?
There are 9 known substitutes for 7451123: AN5-7, 255-82, 21399 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7451123?
7451123 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-106-6256. 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