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7343140 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

7343140: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, outside_diameter: 4.875 INCHES NOMINAL IN, style_designator: ROUND, aperture_diameter: 2.875 INCHES NOMINAL IN, counterbore_depth: 0.375 INCHES NOMINAL IN, overall_thickness: 0.313 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-912-5852, 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
7343140
NSN: 3110-00-912-5852
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 34519 — HARMONIC DRIVE L.L.C. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
outside_diameter4.875 INCHES NOMINAL IN
style_designatorROUND
aperture_diameter2.875 INCHES NOMINAL IN
counterbore_depth0.375 INCHES NOMINAL IN
overall_thickness0.313 INCHES NOMINAL IN
surface_treatmentPHOSPHATE OVERALL
mounting_hole_typeROUND, UNTHREADED
counterbore_diameter3.127 INCHES NOMINAL IN
fsc_application_dataWINCH,AIRCRAFT MOUNTED
raised_surface_height0.187 INCHES NOMINAL IN
mounting_hole_diameter0.219 INCHES NOMINAL IN
NSN3110-00-912-5852
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7343140 · 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
•
FSC APPLICATION DATA: WINCH,AIRCRAFT MOUNTED
•
RAISED SURFACE HEIGHT: 0.187 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 8
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
COUNTERBORE DIAMETER: 3.127 INCHES NOMINAL IN
•
COUNTERBORE DEPTH: 0.375 INCHES NOMINAL IN
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
OVERALL THICKNESS: 0.313 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAWINCH,AIRCRAFT MOUNTED
RAISED SURFACE HEIGHT0.187 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY8
MOUNTING HOLE TYPEROUND, UNTHREADED
COUNTERBORE DIAMETER3.127 INCHES NOMINAL IN
COUNTERBORE DEPTH0.375 INCHES NOMINAL IN
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
OVERALL THICKNESS0.313 INCHES NOMINAL IN
STYLE DESIGNATORROUND
MOUNTING HOLE DIAMETER0.219 INCHES NOMINAL IN
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 7343140?
7343140 is a PLATE,RETAINING,BEARING.
What is the NSN for 7343140?
7343140 is cataloged in the U.S. Government catalog under NSN 3110-00-912-5852. 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.