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Technical Data Sheet
PartsTable / COMPONENT / 64AX109
64AX109 ✓ 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: 0.3750 INCHES NOMINAL IN, outside_diameter: 1.9687 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0400 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-159-9459, 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
64AX109
NSN: 3110-00-159-9459
FSC: 3110
CAGE: 76040 — MACK TRUCKS INC PARTS OPN (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.3750 INCHES NOMINAL IN
outside_diameter1.9687 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0400 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-159-9459
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 64AX109 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 1.9687 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0400 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 WIDTH0.3750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER1.9687 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0400 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
2668Interchangeable
interchangeable cross-reference
interchangeable
11-314-135Interchangeable
interchangeable cross-reference
interchangeable
312-3/4IN.Interchangeable
interchangeable cross-reference
interchangeable
26638Interchangeable
interchangeable cross-reference
interchangeable
7336496Interchangeable
interchangeable cross-reference
interchangeable
435528Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 64AX109?
64AX109 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 64AX109?
There are 18 known substitutes for 64AX109: 2668, 11-314-135, 312-3/4IN. and 15 more. Substitute compatibility should be verified for your specific system.
Is 64AX109 still available?
64AX109 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