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AS-1226 — SEAT,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

AS-1226: SEAT,BEARING.

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include case_style: SQUARE, seal_width: 0.188 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, housing_bore_diameter: 1.7810 INCHES MINIMUM AND 1.7815 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-188-1738, 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
AS-1226
NSN: 3110-01-188-1738
NIINs: 011881738, 013445952
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 5XMS1 — JTEKT BEARINGS NORTH AMERICA LLC DIV KBNA - ORD 1 (USA)
SPECIFICATIONS
case_styleSQUARE
seal_width0.188 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
housing_bore_diameter1.7810 INCHES MINIMUM AND 1.7815 INCHES MAXIMUM IN
accommodated_shaft_diameter1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
NSN3110-01-188-1738
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AS-1226 · 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: 26.0 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 12.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT RACE SURFACE
OVERALL WIDTH0.77 MILLIMETERS MINIMUM AND 0.83 MILLIMETERS MAXIMUM MM
OUTSIDE DIAMETER26.0 MILLIMETERS NOMINAL MM
BORE DIAMETER12.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
FTA-1226Reference document
Same NSN cross-reference
Reference document — Secondary reference
FTRA 1226Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS-1226?
AS-1226 is a SEAT,BEARING.
What parts can replace AS-1226?
There are 2 known substitutes for AS-1226: FTA-1226, FTRA 1226. Substitute compatibility should be verified for your specific system.
What is the NSN for AS-1226?
AS-1226 is cataloged in the U.S. Government catalog under NSN 3110-01-188-1738. 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.