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5266818 — SEAT,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

5266818: SEAT,BEARING.

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.1250 INCHES NOMINAL IN, overall_width: 0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN, outside_diameter: 1.7500 INCHES NOMINAL IN, style_designator: FLAT RACE SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-087-8856, 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
5266818
NSN: 3110-01-087-8856
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.1250 INCHES NOMINAL IN
overall_width0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
outside_diameter1.7500 INCHES NOMINAL IN
style_designatorFLAT RACE SURFACE
NSN3110-01-087-8856
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5266818 · 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
•
STYLE DESIGNATOR: FLAT RACE SURFACE
•
OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
•
BORE DIAMETER: 1.1250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT RACE SURFACE
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
BORE DIAMETER1.1250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
TRD-1828Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
284110Reference 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 5266818?
5266818 is a SEAT,BEARING.
What parts can replace 5266818?
There are 2 known substitutes for 5266818: TRD-1828, 284110. Substitute compatibility should be verified for your specific system.
What is the NSN for 5266818?
5266818 is cataloged in the U.S. Government catalog under NSN 3110-01-087-8856. 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.