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457-P4-303 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

457-P4-303: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 60-30 OVERALL, bore_diameter: 3.0000 INCHES MINIMUM AND 3.0150 INCHES MAXIMUM IN, housing_width: 8.000 INCHES NOMINAL IN, housing_length: 4.000 INCHES NOMINAL IN, mounting_hole_type: ROUND, THREADED, nominal_thread_size: 0.375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-338-6993, 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
457-P4-303
NSN: 3130-01-338-6993
FSC: 3130 — Bearings, Mounted
CAGE: 5Y009 — VIGOR WORKS LLC DBA VIGOR WORKS (USA)
SPECIFICATIONS
materialSTEEL COMP 60-30 OVERALL
bore_diameter3.0000 INCHES MINIMUM AND 3.0150 INCHES MAXIMUM IN
housing_width8.000 INCHES NOMINAL IN
housing_length4.000 INCHES NOMINAL IN
mounting_hole_typeROUND, THREADED
nominal_thread_size0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationASTM A27 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
center_to_center_distance_between_mounting_holes_along_width5.000 INCHES NOMINAL IN
NSN3130-01-338-6993
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 457-P4-303 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE TYPE: ROUND, THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A27 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 5.000 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
HOUSING WIDTH: 8.000 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 16
•
BORE DIAMETER: 3.0000 INCHES MINIMUM AND 3.0150 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 60-30 OVERALL
TECHNICAL CHARACTERISTICS
MOUNTING HOLE TYPEROUND, THREADED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A27 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH5.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES IN
HOUSING WIDTH8.000 INCHES NOMINAL IN
THREAD QUANTITY PER INCH16
BORE DIAMETER3.0000 INCHES MINIMUM AND 3.0150 INCHES MAXIMUM IN
MATERIALSTEEL COMP 60-30 OVERALL
HOUSING LENGTH4.000 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
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 457-P4-303?
457-P4-303 is a HOUSING,BEARING UNIT.
What is the NSN for 457-P4-303?
457-P4-303 is cataloged in the U.S. Government catalog under NSN 3130-01-338-6993. This indicates validated use in U.S. government and defense supply chains.
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