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PartsTable / COMPONENT / 204-040-145
204-040-145 ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 INNER RING, bore_shape: STRAIGHT, bore_diameter: 0.5903 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN, overall_width: 0.3493 INCHES MINIMUM AND 0.3543 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-814-7639, 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
204-040-145
NSN: 3110-00-814-7639
FSC: 3110
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER RING
bore_shapeSTRAIGHT
bore_diameter0.5903 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
overall_width0.3493 INCHES MINIMUM AND 0.3543 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter1.2593 INCHES MINIMUM AND 1.2598 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.1
material_document_and_classification204-040-145,97499 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
NSN3110-00-814-7639
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 204-040-145 · 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: 0.5903 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
RETAINER FABRICATION METHOD: MACHINED
•
MATERIAL: STEEL COMP E52100 BALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 204-040-145,97499 MFR REF SINGLE MATERIAL RESPONSE BALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.5903 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODMACHINED
MATERIALSTEEL COMP E52100 BALL
MATERIALPLASTIC PHENOLIC OR COPPER ALLOY RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION204-040-145,97499 MFR REF SINGLE MATERIAL RESPONSE BALL
MATERIALSTEEL COMP E52100 INNER RING
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION204-040-145,97499 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION204-040-145,97499 MFR REF SINGLE MATERIAL RESPONSE RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
116776Interchangeable
interchangeable cross-reference
interchangeable
3L02X1AInterchangeable
interchangeable cross-reference
interchangeable
3323089 PIECE 1Interchangeable
interchangeable cross-reference
interchangeable
451559Interchangeable
interchangeable cross-reference
interchangeable
8550229Interchangeable
interchangeable cross-reference
interchangeable
2505435Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 204-040-145?
204-040-145 is a BEARING,BALL,ANNULAR.
What parts can replace 204-040-145?
There are 12 known substitutes for 204-040-145: 116776, 3L02X1A, 3323089 PIECE 1 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 204-040-145?
204-040-145 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-814-7639. 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