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Technical Data Sheet
PartsTable / COMPONENT / R11293
R11293 ✓ 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: COPPER ALLOY OVERALL, body_style: PLAIN, SOLID, bore_style: W/COUNTERBORE COUNTER BORE SECOND END, tooth_form: STANDARD, overall_width: 2.000 INCHES NOMINAL IN, terminal_type: WIRE LEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0579, 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
R11293
NSN: 3110-00-100-0579
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_stylePLAIN, SOLID
bore_styleW/COUNTERBORE COUNTER BORE SECOND END
tooth_formSTANDARD
overall_width2.000 INCHES NOMINAL IN
terminal_typeWIRE LEAD
overall_height0.500 INCHES NOMINAL IN
overall_length2.125 INCHES NOMINAL IN
pitch_diameter0.8125 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity26
outside_diameter6.2500 INCHES NOMINAL IN
NSN3110-00-100-0579
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R11293 · 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
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OUTSIDE DIAMETER: 6.2500 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 WIDTH0.6250 INCHES NOMINAL IN
SPECIAL FEATURESSTEEP ANGLE
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OUTSIDE DIAMETER6.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
37625Interchangeable
interchangeable cross-reference
interchangeable
CU-269/GPNInterchangeable
interchangeable cross-reference
interchangeable
20475Interchangeable
interchangeable cross-reference
interchangeable
CH270Interchangeable
interchangeable cross-reference
interchangeable
R11293Interchangeable
interchangeable cross-reference
interchangeable
8412-46Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R11293?
R11293 is a CUP,TAPERED ROLLER BEARING.
What parts can replace R11293?
There are 21 known substitutes for R11293: 37625, CU-269/GPN, 20475 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R11293?
R11293 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0579. 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