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12446457 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12446457: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, outside_diameter: 6.125 INCHES NOMINAL IN, style_designator: ROUND, aperture_diameter: 5.190 INCHES NOMINAL IN, overall_thickness: 1.190 INCHES NOMINAL IN, mounting_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-644-7496, 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
12446457
NSN: 3110-01-644-7496
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
outside_diameter6.125 INCHES NOMINAL IN
style_designatorROUND
aperture_diameter5.190 INCHES NOMINAL IN
overall_thickness1.190 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.350 INCHES NOMINAL IN
end_item_identificationHMPT 800
bolt_circle_hole_quantity12
cross-sectional_shape_styleFLAT W/O APERTURE
mounting_bolt_circle_diameter3.393 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
NSN3110-01-644-7496
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12446457 · 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
•
BOLT CIRCLE HOLE QUANTITY: 12
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
OVERALL THICKNESS: 1.190 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
MOUNTING HOLE DIAMETER: 0.350 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/O APERTURE
•
OUTSIDE DIAMETER: 6.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY12
MOUNTING HOLE TYPEROUND, UNTHREADED
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
OVERALL THICKNESS1.190 INCHES NOMINAL IN
STYLE DESIGNATORROUND
MOUNTING HOLE DIAMETER0.350 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT W/O APERTURE
OUTSIDE DIAMETER6.125 INCHES NOMINAL IN
APERTURE DIAMETER5.190 INCHES NOMINAL IN
MOUNTING BOLT CIRCLE DIAMETER3.393 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 12446457?
12446457 is a PLATE,RETAINING,BEARING.
What is the NSN for 12446457?
12446457 is cataloged in the U.S. Government catalog under NSN 3110-01-644-7496. 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.