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40043-78 — RETAINER AND ROLLERS,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

40043-78: RETAINER AND ROLLERS,BEARING.

The RETAINER AND ROLLERS,BEARING is a the manufacturer industrial component. Key specifications include bore_diameter: 0.0780 INCHES NOMINAL IN, overall_width: 0.3770 INCHES NOMINAL IN, outside_diameter: 0.8020 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-277-8123, 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
40043-78
NSN: 3110-00-277-8123
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
bore_diameter0.0780 INCHES NOMINAL IN
overall_width0.3770 INCHES NOMINAL IN
outside_diameter0.8020 INCHES NOMINAL IN
NSN3110-00-277-8123
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 40043-78 · 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
•
OUTSIDE DIAMETER: 0.8020 INCHES NOMINAL IN
•
BORE DIAMETER: 0.0780 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.3770 INCHES NOMINAL IN
OUTSIDE DIAMETER0.8020 INCHES NOMINAL IN
BORE DIAMETER0.0780 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
X1907-130Reference document
Same NSN cross-reference
Reference document — Secondary reference
395-196-004Reference document
Same NSN cross-reference
Reference document — Secondary reference
406560Reference document
Same NSN cross-reference
Reference document — Secondary reference
180330Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40043-78?
40043-78 is a RETAINER AND ROLLERS,BEARING.
What parts can replace 40043-78?
There are 4 known substitutes for 40043-78: X1907-130, 395-196-004, 406560 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40043-78?
40043-78 is cataloged in the U.S. Government catalog under NSN 3110-00-277-8123. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.