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Technical Data Sheet
PartsTable / COMPONENT / 946460-1378
946460-1378 ✓ 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 COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A, special_features: AFBMA STANDARD TOLERANCE FOR BALLS,GRADE 48, style_designator: BALL, rolling_element_diameter: 0.0938 INCHES NOMINAL IN, material_document_and_classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-239-7696, 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
946460-1378
NSN: 3110-00-239-7696
FSC: 3110
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
special_featuresAFBMA STANDARD TOLERANCE FOR BALLS,GRADE 48
style_designatorBALL
rolling_element_diameter0.0938 INCHES NOMINAL IN
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN3110-00-239-7696
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 946460-1378 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
HPS40-3Interchangeable
interchangeable cross-reference
interchangeable
10107352Interchangeable
interchangeable cross-reference
interchangeable
3-32SSTLPRECISI0NGRADEInterchangeable
interchangeable cross-reference
interchangeable
MS134378Interchangeable
Same NIIN cross-reference
interchangeable
MS9461-02Interchangeable
Same NIIN cross-reference
interchangeable
684V108Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 946460-1378?
946460-1378 is a BALL,BEARING.
What parts can replace 946460-1378?
There are 6 known substitutes for 946460-1378: HPS40-3, 10107352, 3-32SSTLPRECISI0NGRADE and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 946460-1378?
946460-1378 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-239-7696. 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