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Technical Data Sheet
PartsTable / COMPONENT / 40401-8
40401-8 ✓ 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 PISTON,HYDRAULIC ACCUMULATOR is a the manufacturer industrial component. Key specifications include special_features: ALUM;2.300 IN. H;0.870 IN.

LG IN, end_item_identification: VARD NEWPORT 404018 CHILL PUMP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1050, 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
40401-8
NSN: 3110-00-198-1050
FSC: 3110
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
special_featuresALUM;2.300 IN. H;0.870 IN. LG IN
end_item_identificationVARD NEWPORT 404018 CHILL PUMP
NSN3110-00-198-1050
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 40401-8 · 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 28
D1500863 PC-8Interchangeable
interchangeable cross-reference
interchangeable
1549Interchangeable
interchangeable cross-reference
interchangeable
D1500857 PC-8Interchangeable
interchangeable cross-reference
interchangeable
14745Interchangeable
interchangeable cross-reference
interchangeable
21668Interchangeable
interchangeable cross-reference
interchangeable
NW21668Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40401-8?
40401-8 is a PISTON,HYDRAULIC ACCUMULATOR.
What parts can replace 40401-8?
There are 28 known substitutes for 40401-8: D1500863 PC-8, 1549, D1500857 PC-8 and 25 more. Substitute compatibility should be verified for your specific system.
Is 40401-8 still available?
40401-8 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