PartsTable
Technical Data Sheet
18D778 ✓ 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 color: BUFF, cover: NOT PROVIDED, depth: 0.094 INCHES NOMINAL IN, width: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, length: 0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN, capacity: 1000.0 CUBIC CENTIMETERS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-516-5289, 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
18D778
NSN: 3110-00-516-5289
FSC: 3110
CAGE: 76371 — MECHANICAL EQUIPMENT COMPANY, INC. DBA MECHANICAL EQUIPMENT CO INC (USA)
SPECIFICATIONS
colorBUFF
coverNOT PROVIDED
depth0.094 INCHES NOMINAL IN
width0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
length0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN
capacity1000.0 CUBIC CENTIMETERS
materialSTEEL OVERALL
bulb_typePLAIN RIGID
case_typeVAPORPROOF
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
unit_typeSINGLE END
base_styleSINGLE CONTACT BAYONET CANDELABRA
NSN3110-00-516-5289
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 18D778 · 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 30
1250-05Interchangeable
interchangeable cross-reference
interchangeable
7400Interchangeable
interchangeable cross-reference
interchangeable
TERKIT-1Interchangeable
interchangeable cross-reference
interchangeable
726701Interchangeable
interchangeable cross-reference
interchangeable
2084Interchangeable
interchangeable cross-reference
interchangeable
660FHD-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18D778?
18D778 is a BEARING,BALL,ANNULAR.
What parts can replace 18D778?
There are 30 known substitutes for 18D778: 1250-05, 7400, TERKIT-1 and 27 more. Substitute compatibility should be verified for your specific system.
Is 18D778 still available?
18D778 is currently cancelled.
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