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6397389 PIECE 56 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

6397389 PIECE 56: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, recess_depth: 0.5600 INCHES NOMINAL IN, body_diameter: 4.7200 INCHES MINIMUM AND 4.7220 INCHES MAXIMUM IN, body_thickness: 0.5000 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN, minor_thickness: 0.6900 INCHES NOMINAL IN, recess_diameter: 4.2350 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-358-1337, 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
6397389 PIECE 56
NSN: 3110-01-358-1337
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
recess_depth0.5600 INCHES NOMINAL IN
body_diameter4.7200 INCHES MINIMUM AND 4.7220 INCHES MAXIMUM IN
body_thickness0.5000 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN
minor_thickness0.6900 INCHES NOMINAL IN
recess_diameter4.2350 INCHES NOMINAL IN
outside_diameter0.7500 INCHES NOMINAL IN
style_designatorROUND
aperture_diameter0.7200 INCHES NOMINAL IN
counterbore_depth0.0300 INCHES NOMINAL IN
features_providedTHREADED APERTURE
overall_thickness1.1200 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
NSN3110-01-358-1337
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6397389 PIECE 56 · 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
•
BODY DIAMETER: 4.7200 INCHES MINIMUM AND 4.7220 INCHES MAXIMUM IN
•
MINOR THICKNESS: 0.6900 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 6
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED, COUNTERBORED
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
OVERALL THICKNESS: 1.1200 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
BODY DIAMETER4.7200 INCHES MINIMUM AND 4.7220 INCHES MAXIMUM IN
MINOR THICKNESS0.6900 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY6
MOUNTING HOLE TYPEROUND, UNTHREADED, COUNTERBORED
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
OVERALL THICKNESS1.1200 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.4400 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECESSED W/ APERTURE
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 6397389 PIECE 56?
6397389 PIECE 56 is a PLATE,RETAINING,BEARING.
What is the NSN for 6397389 PIECE 56?
6397389 PIECE 56 is cataloged in the U.S. Government catalog under NSN 3110-01-358-1337. This indicates validated use in U.S. government and defense supply chains.
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