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PartsTable / COMPONENT / AA59649-173B
AA59649-173B ✓ 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 COMP E52100 CUP, overall_width: 0.6200 INCHES NOMINAL IN, outside_diameter: 2.5630 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0500 INCHES NOMINAL IN, material_document_and_classification: AISI ASSN STD SINGLE MATERIAL RESPONSE CUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-147-7831, 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
AA59649-173B
NSN: 3110-01-147-7831
FSC: 3110
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 CUP
overall_width0.6200 INCHES NOMINAL IN
outside_diameter2.5630 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0500 INCHES NOMINAL IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE CUP
NSN3110-01-147-7831
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AA59649-173B · 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: AISI ASSN STD SINGLE MATERIAL RESPONSE CUP
•
MATERIAL: STEEL COMP E52100 CUP
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BACKFACE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.5630 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 WIDTH0.6200 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE CUP
MATERIALSTEEL COMP E52100 CUP
STYLE DESIGNATORNORMAL ANGLE
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL IN
OUTSIDE DIAMETER2.5630 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
SYH100XInterchangeable
interchangeable cross-reference
interchangeable
PB220-1Interchangeable
interchangeable cross-reference
interchangeable
RAK 1Interchangeable
interchangeable cross-reference
interchangeable
303078Interchangeable
interchangeable cross-reference
interchangeable
AA59649Interchangeable
Same NIIN cross-reference
interchangeable
A-27965Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59649-173B?
AA59649-173B is a CUP,TAPERED ROLLER BEARING.
What parts can replace AA59649-173B?
There are 7 known substitutes for AA59649-173B: SYH100X, PB220-1, RAK 1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59649-173B?
AA59649-173B is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-147-7831. 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