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Technical Data Sheet
PartsTable / COMPONENT / 64AX209
64AX209 ✓ 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: 1.3125 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: MRAP BUFFALO MK2A2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-1789, 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
64AX209
NSN: 3110-00-101-1789
FSC: 3110
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width1.3125 INCHES NOMINAL IN
outside_diameter4.1250 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.1250 INCHES NOMINAL IN
end_item_identificationMRAP BUFFALO MK2A2
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-101-1789
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 64AX209 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 4.1250 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)
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
OVERALL WIDTH1.3125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
100SL22Interchangeable
interchangeable cross-reference
interchangeable
4535Interchangeable
interchangeable cross-reference
interchangeable
467835CHANGEEInterchangeable
interchangeable cross-reference
interchangeable
13-267Interchangeable
interchangeable cross-reference
interchangeable
EC4535Interchangeable
interchangeable cross-reference
interchangeable
49728-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 64AX209?
64AX209 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 64AX209?
There are 23 known substitutes for 64AX209: 100SL22, 4535, 467835CHANGEE and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 64AX209?
64AX209 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-1789. 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