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4D146 ✓ 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 BALL,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: HARDNESS RATING ROCKWELL C MIN 64.0 AND MAX 66.0, style_designator: BALL, rolling_element_diameter: 0.3750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-398-2170, 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
4D146
NSN: 3110-00-398-2170
FSC: 3110
CAGE: 07835 — BOEHME H O INC
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresHARDNESS RATING ROCKWELL C MIN 64.0 AND MAX 66.0
style_designatorBALL
rolling_element_diameter0.3750 INCHES NOMINAL IN
NSN3110-00-398-2170
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4D146 · 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
•
ROLLING ELEMENT DIAMETER: 0.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: BALL
TECHNICAL CHARACTERISTICS (FLIS)
ROLLING ELEMENT DIAMETER0.3750 INCHES NOMINAL IN
SPECIAL FEATURESHARDNESS RATING ROCKWELL C MIN 64.0 AND MAX 66.0
MATERIALSTEEL OVERALL
STYLE DESIGNATORBALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
24005Interchangeable
interchangeable cross-reference
interchangeable
668-0952Interchangeable
interchangeable cross-reference
interchangeable
405Interchangeable
interchangeable cross-reference
interchangeable
01143Interchangeable
interchangeable cross-reference
interchangeable
01.143Interchangeable
interchangeable cross-reference
interchangeable
4781249Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4D146?
4D146 is a BALL,BEARING.
What parts can replace 4D146?
There are 10 known substitutes for 4D146: 24005, 668-0952, 405 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4D146?
4D146 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-398-2170. 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