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391247-1 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

391247-1: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include length: 2.460 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 OVERALL, style_designator: SQUARE, aperture_diameter: 2.000 INCHES NOMINAL IN, overall_thickness: 0.125 INCHES NOMINAL IN, mounting_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-020-1406, 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
391247-1
NSN: 3110-01-020-1406
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
length2.460 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 OVERALL
style_designatorSQUARE
aperture_diameter2.000 INCHES NOMINAL IN
overall_thickness0.125 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.237 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
bolt_circle_hole_quantity4
cross-sectional_shape_styleFLAT W/APERTURE
mounting_bolt_circle_diameter1.900 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
material_document_and_classificationQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-020-1406
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 391247-1 · 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
•
LENGTH: 2.460 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 4
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
OVERALL THICKNESS: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SQUARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING HOLE DIAMETER: 0.237 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LENGTH2.460 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY4
MOUNTING HOLE TYPEROUND, UNTHREADED
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
OVERALL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORSQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.237 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEFLAT W/APERTURE
APERTURE DIAMETER2.000 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 391247-1?
391247-1 is a PLATE,RETAINING,BEARING.
What is the NSN for 391247-1?
391247-1 is cataloged in the U.S. Government catalog under NSN 3110-01-020-1406. 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.