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CR77056PC304 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

CR77056PC304: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.1250 INCHES NOMINAL IN, overall_length: 0.5937 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.5625 INCHES MINIMUM AND 0.5635 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-057-6600, 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
CR77056PC304
NSN: 3120-00-057-6600
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.1250 INCHES NOMINAL IN
overall_length0.5937 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.5625 INCHES MINIMUM AND 0.5635 INCHES MAXIMUM IN
body_outside_diameter0.8760 INCHES MINIMUM AND 0.8765 INCHES MAXIMUM IN
flange_outside_diameter1.1094 INCHES NOMINAL IN
NSN3120-00-057-6600
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: CR77056PC304 · 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
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 1.1094 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.8760 INCHES MINIMUM AND 0.8765 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER1.1094 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.8760 INCHES MINIMUM AND 0.8765 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.5937 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CR77056PC304?
CR77056PC304 is a CIRCUIT CARD ASSEMBLY.
What is the NSN for CR77056PC304?
CR77056PC304 is cataloged in the U.S. Government catalog under NSN 3120-00-057-6600. 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.