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Technical Data Sheet
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268578-5 — Technical Data Sheet

✓ 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 end_item_identification: F119 ENGINE, part_name_assigned_by_controlling_agency: SCREW, SHOULDER. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-155-6795, 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
268578-5
NSN: 3110-00-155-6795
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
end_item_identificationF119 ENGINE
part_name_assigned_by_controlling_agencySCREW, SHOULDER
NSN3110-00-155-6795
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 268578-5 · 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 SHAPE: STRAIGHT
•
MATERIAL: STEEL BALL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
BORE SHAPESTRAIGHT
MATERIALSTEEL BALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
BORE DIAMETER65.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER140.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
FH20AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
WC50InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
60402InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
965699-01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ML4319006-02InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
313MFInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 268578-5?
268578-5 is a BEARING,BALL,ANNULAR.
What parts can replace 268578-5?
There are 11 known substitutes for 268578-5: FH20A, WC50, 60402 and 8 more. Substitute compatibility should be verified for your specific system.
Is 268578-5 still available?
268578-5 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: October 2026