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Technical Data Sheet
PartsTable / COMPONENT / 2X646A
2X646A ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 0.9330 INCHES NOMINAL IN, bore_diameter: 1.5000 INCHES NOMINAL IN, style_designator: STEEP ANGLE, cone_corner_radius: 0.0938 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3601, 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
2X646A
NSN: 3110-00-100-3601
FSC: 3110
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.9330 INCHES NOMINAL IN
bore_diameter1.5000 INCHES NOMINAL IN
style_designatorSTEEP ANGLE
cone_corner_radius0.0938 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-3601
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2X646A · 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
•
BORE DIAMETER: 1.5000 INCHES NOMINAL IN
•
CONE WIDTH: 0.9330 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STEEP ANGLE
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.0938 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)
BORE DIAMETER1.5000 INCHES NOMINAL IN
CONE WIDTH0.9330 INCHES NOMINAL IN
STYLE DESIGNATORSTEEP ANGLE
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.0938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
107221Interchangeable
interchangeable cross-reference
interchangeable
208Interchangeable
interchangeable cross-reference
interchangeable
2001 80Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
TYPE I DESIGN 4 STYLE CInterchangeable
interchangeable cross-reference
interchangeable
WC586Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2X646A?
2X646A is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 2X646A?
There are 26 known substitutes for 2X646A: 107221, 208, 2001 80 and 23 more. Substitute compatibility should be verified for your specific system.
Is 2X646A still available?
2X646A 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