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TDAA4621A ✓ 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: 1.4375 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 3110-00-100-3600, 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
TDAA4621A
NSN: 3110-00-100-3600
FSC: 3110
CAGE: 57526 — FORD MOTOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.9330 INCHES NOMINAL IN
bore_diameter1.4375 INCHES NOMINAL IN
style_designatorSTEEP ANGLE
cone_corner_radius0.0938 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-3600
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TDAA4621A · 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: 1.4375 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0938 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
CONE WIDTH: 0.9330 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STEEP ANGLE
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 DIAMETER1.4375 INCHES NOMINAL IN
CONE CORNER RADIUS0.0938 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
CONE WIDTH0.9330 INCHES NOMINAL IN
STYLE DESIGNATORSTEEP ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
C01029Interchangeable
interchangeable cross-reference
interchangeable
150 73Interchangeable
interchangeable cross-reference
interchangeable
18073Interchangeable
interchangeable cross-reference
interchangeable
44143Interchangeable
interchangeable cross-reference
interchangeable
4414-1Interchangeable
interchangeable cross-reference
interchangeable
56808Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TDAA4621A?
TDAA4621A is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace TDAA4621A?
There are 16 known substitutes for TDAA4621A: C01029, 150 73, 18073 and 13 more. Substitute compatibility should be verified for your specific system.
Is TDAA4621A still available?
TDAA4621A 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