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Technical Data Sheet
PartsTable / COMPONENT / 4040T21P03
4040T21P03 ✓ 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,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include bore_diameter: 0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN, overall_width: 0.9429 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, overall_outside_diameter: 1.8502 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN, standard_tolerance_designation: ABEC NO.5. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-087-4283, 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
4040T21P03
NSN: 3110-01-087-4283
FSC: 3110
CAGE: 99207 — GENERAL ELECTRIC COMPANY DBA GE AEROSPACE (USA)
SPECIFICATIONS
bore_diameter0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN
overall_width0.9429 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
overall_outside_diameter1.8502 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN
standard_tolerance_designationABEC NO.5
NSN3110-01-087-4283
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4040T21P03 · 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
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
OVERALL OUTSIDE DIAMETER: 1.8502 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.9429 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
BORE DIAMETER0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONABEC NO.5
OVERALL OUTSIDE DIAMETER1.8502 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
4604Interchangeable
interchangeable cross-reference
interchangeable
4604AInterchangeable
interchangeable cross-reference
interchangeable
504627Interchangeable
interchangeable cross-reference
interchangeable
3061Interchangeable
interchangeable cross-reference
interchangeable
5L280Interchangeable
interchangeable cross-reference
interchangeable
49-04 MODEL NO. AEE-6035Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4040T21P03?
4040T21P03 is a BEARING,BALL,DUPLEX.
What parts can replace 4040T21P03?
There are 19 known substitutes for 4040T21P03: 4604, 4604A, 504627 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4040T21P03?
4040T21P03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-087-4283. 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