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Technical Data Sheet
PartsTable / COMPONENT / A-A59654-300
A-A59654-300 ✓ 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 BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 1.8750 INCHES NOMINAL IN, cone_width: 1.0313 INCHES NOMINAL IN, bore_diameter: 5.2500 INCHES NOMINAL IN, overall_width: 2.2500 INCHES NOMINAL IN, alignment_type: RIGID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-230-5239, 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
A-A59654-300
NSN: 3110-01-230-5239
FSC: 3110
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.8750 INCHES NOMINAL IN
cone_width1.0313 INCHES NOMINAL IN
bore_diameter5.2500 INCHES NOMINAL IN
overall_width2.2500 INCHES NOMINAL IN
alignment_typeRIGID
standout_width0.1875 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
features_providedLUBRICATION HOLE AND LUBRICATION GROOVE
cone_corner_radius0.0600 INCHES MAXIMUM IN
backface_corner_radius0.0300 INCHES MAXIMUM IN
overall_outside_diameter6.9688 INCHES NOMINAL IN
NSN3110-01-230-5239
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-A59654-300 · 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 DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
FEATURES PROVIDED: LUBRICATION HOLE AND LUBRICATION GROOVE
•
MATERIAL: STEEL OVERALL
•
ALIGNMENT TYPE: RIGID
•
STANDOUT WIDTH: 0.1875 INCHES NOMINAL IN
•
BORE DIAMETER: 5.2500 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 6.9688 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)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
FEATURES PROVIDEDLUBRICATION HOLE AND LUBRICATION GROOVE
MATERIALSTEEL OVERALL
ALIGNMENT TYPERIGID
STANDOUT WIDTH0.1875 INCHES NOMINAL IN
BORE DIAMETER5.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER6.9688 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
OVERALL WIDTH2.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
614921C91Interchangeable
interchangeable cross-reference
interchangeable
46790Interchangeable
interchangeable cross-reference
interchangeable
V1636Interchangeable
interchangeable cross-reference
interchangeable
L327249/L327210DInterchangeable
Same NIIN cross-reference
interchangeable
2D3-1242 ITEM 57Interchangeable
Same NIIN cross-reference
interchangeable
MS19086-97Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A59654-300?
A-A59654-300 is a BEARING,ROLLER,TAPERED.
What parts can replace A-A59654-300?
There are 7 known substitutes for A-A59654-300: 614921C91, 46790, V1636 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A59654-300?
A-A59654-300 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-230-5239. 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