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Technical Data Sheet
PartsTable / COMPONENT / 903309
903309 ✓ 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 special_features: 6" SKID, end_item_identification: HYDROBLAST UNIT, WSD: NIMITZ CLASS CVN, part_name_assigned_by_controlling_agency: 6" SKID (NOZZLE STAND-OFF). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8669, 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
903309
NSN: 3110-00-144-8669
FSC: 3110
CAGE: 30379 — EUCLID INC (USA)
SPECIFICATIONS
special_features6" SKID
end_item_identificationHYDROBLAST UNIT, WSD: NIMITZ CLASS CVN
part_name_assigned_by_controlling_agency6" SKID (NOZZLE STAND-OFF)
NSN3110-00-144-8669
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 903309 · 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: 45.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL BALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OUTER RING
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
10BInterchangeable
interchangeable cross-reference
interchangeable
419191N6Interchangeable
interchangeable cross-reference
interchangeable
MILC5584STYLE1Interchangeable
interchangeable cross-reference
interchangeable
1440-01Interchangeable
interchangeable cross-reference
interchangeable
8-PInterchangeable
interchangeable cross-reference
interchangeable
HACH 1440-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 903309?
903309 is a BEARING,BALL,ANNULAR.
What parts can replace 903309?
There are 32 known substitutes for 903309: 10B, 419191N6, MILC5584STYLE1 and 29 more. Substitute compatibility should be verified for your specific system.
Is 903309 still available?
903309 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: July 2026