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12266260 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12266260: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, outside_diameter: 9.530 INCHES MINIMUM AND 9.590 INCHES MAXIMUM IN, special_features: RAISED SURFACE FEATURE:INCLUDED AND CENTRALLY LOCATED;APERTURE SHAPE:ROUND AND INCLUDED;SHAPE:ROUND, aperture_diameter: 7.140 INCHES MINIMUM AND 7.160 INCHES MAXIMUM IN, counterbore_depth: 0.032 INCHES NOMINAL IN, overall_thickness: 0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-053-5231, 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
12266260
NSN: 3110-01-053-5231
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
outside_diameter9.530 INCHES MINIMUM AND 9.590 INCHES MAXIMUM IN
special_featuresRAISED SURFACE FEATURE:INCLUDED AND CENTRALLY LOCATED;APERTURE SHAPE:ROUND AND INCLUDED;SHAPE:ROUND
aperture_diameter7.140 INCHES MINIMUM AND 7.160 INCHES MAXIMUM IN
counterbore_depth0.032 INCHES NOMINAL IN
overall_thickness0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
mounting_hole_typeROUND, UNTHREADED
counterbore_diameter6.678 INCHES MINIMUM AND 6.698 INCHES MAXIMUM IN
raised_surface_height0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
mounting_hole_diameter0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
bolt_circle_hole_quantity8
mounting_bolt_circle_diameter8.750 INCHES NOMINAL IN
NSN3110-01-053-5231
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12266260 · 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
•
RAISED SURFACE HEIGHT: 0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
•
BOLT CIRCLE HOLE QUANTITY: 8
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
FIRST RAISED SURFACE OUTSIDE DIAMETER: 7.430 INCHES MINIMUM AND 7.490 INCHES MAXIMUM IN
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
OVERALL THICKNESS: 0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
MOUNTING HOLE DIAMETER: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 9.530 INCHES MINIMUM AND 9.590 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RAISED SURFACE HEIGHT0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
BOLT CIRCLE HOLE QUANTITY8
MOUNTING HOLE TYPEROUND, UNTHREADED
FIRST RAISED SURFACE OUTSIDE DIAMETER7.430 INCHES MINIMUM AND 7.490 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
OVERALL THICKNESS0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
OUTSIDE DIAMETER9.530 INCHES MINIMUM AND 9.590 INCHES MAXIMUM IN
APERTURE DIAMETER7.140 INCHES MINIMUM AND 7.160 INCHES MAXIMUM IN
COUNTERBORE DEPTH0.032 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 12266260?
12266260 is a PLATE,RETAINING,BEARING.
What is the NSN for 12266260?
12266260 is cataloged in the U.S. Government catalog under NSN 3110-01-053-5231. 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.