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Technical Data Sheet
PartsTable / COMPONENT / AA59649-377
AA59649-377 ✓ 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: 0.7813 INCHES NOMINAL IN, cone_width: 1.0000 INCHES NOMINAL IN, bore_diameter: 2.0625 INCHES NOMINAL IN, overall_width: 0.9688 INCHES NOMINAL IN, standout_width: 0.1875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5328, 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
AA59649-377
NSN: 3110-00-100-5328
FSC: 3110
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.7813 INCHES NOMINAL IN
cone_width1.0000 INCHES NOMINAL IN
bore_diameter2.0625 INCHES NOMINAL IN
overall_width0.9688 INCHES NOMINAL IN
standout_width0.1875 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0310 INCHES NOMINAL IN
overall_outside_diameter3.6250 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-5328
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AA59649-377 · 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
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.0625 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 3.6250 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)
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.0625 INCHES NOMINAL IN
OVERALL WIDTH0.9688 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0310 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.6250 INCHES NOMINAL IN
CUP WIDTH0.7813 INCHES NOMINAL IN
CONE WIDTH1.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
155TYPECInterchangeable
interchangeable cross-reference
interchangeable
929Interchangeable
interchangeable cross-reference
interchangeable
3752525Interchangeable
interchangeable cross-reference
interchangeable
9757959P1Interchangeable
interchangeable cross-reference
interchangeable
7476888P2Interchangeable
interchangeable cross-reference
interchangeable
7026995P6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59649-377?
AA59649-377 is a BEARING,ROLLER,TAPERED.
What parts can replace AA59649-377?
There are 22 known substitutes for AA59649-377: 155TYPEC, 929, 3752525 and 19 more. Substitute compatibility should be verified for your specific system.
Is AA59649-377 still available?
AA59649-377 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