PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 453X
453X ✓ 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: 0.9688 INCHES NOMINAL IN, outside_diameter: 4.1250 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1250 INCHES NOMINAL IN, end_item_identification: 2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); MRAP BUFFALO MK2A2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4387, 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
453X
NSN: 3110-00-142-4387
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.9688 INCHES NOMINAL IN
outside_diameter4.1250 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.1250 INCHES NOMINAL IN
end_item_identification2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); MRAP BUFFALO MK2A2
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-142-4387
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 453X · 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
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
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)
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
OVERALL WIDTH0.9688 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
END ITEM IDENTIFICATION2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); MRAP BUFFALO MK2A2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
30565Interchangeable
interchangeable cross-reference
interchangeable
550426Interchangeable
interchangeable cross-reference
interchangeable
1113-3Interchangeable
interchangeable cross-reference
interchangeable
1113-3-5Interchangeable
interchangeable cross-reference
interchangeable
24419Interchangeable
interchangeable cross-reference
interchangeable
22810Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 453X?
453X is a CUP,TAPERED ROLLER BEARING.
What parts can replace 453X?
There are 22 known substitutes for 453X: 30565, 550426, 1113-3 and 19 more. Substitute compatibility should be verified for your specific system.
Is 453X still available?
453X 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