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5121247 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

5121247: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: COPPER FIRST MORTISE, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.2700 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM FIRST IN, conductor_form: STRANDED ALL CONDUCTORS, overall_length: 48.000 INCHES IN, style_designator: INTERNAL CONNECTORS. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-945-4533, 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
5121247
NSN: 3120-00-945-4533
NIINs: 009454533, 014371390
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialCOPPER FIRST MORTISE
corner_shapeSQUARE ALL CORNERS
hole_diameter0.2700 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM FIRST IN
conductor_formSTRANDED ALL CONDUCTORS
overall_length48.000 INCHES IN
style_designatorINTERNAL CONNECTORS
termination_typeCONNECTOR RECEPTACLE BOTH ENDS ALL CONDUCTORS
locking_lug_width0.2420 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN
surface_treatmentTIN CORE CONDUCTOR ALL CONDUCTORS
locking_lug_height0.0580 INCHES MINIMUM AND 0.0680 INCHES MAXIMUM IN
locking_lug_length0.2800 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN
body_inside_diameter2.6570 INCHES NOMINAL IN
NSN3120-00-945-4533
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5121247 · 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 ALL CORNERS
•
LOCKING LUG HEIGHT: 0.0580 INCHES MINIMUM AND 0.0680 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 2.7570 INCHES MINIMUM AND 2.7820 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 2.6570 INCHES NOMINAL IN
•
LOCKING LUG WIDTH: 0.2420 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 2 HOLE
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
LOCKING LUG HEIGHT0.0580 INCHES MINIMUM AND 0.0680 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.7570 INCHES MINIMUM AND 2.7820 INCHES MAXIMUM IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.3100 INCHES MINIMUM AND 1.3200 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.6570 INCHES NOMINAL IN
LOCKING LUG WIDTH0.2420 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
DISTANCE FROM LUG END TO END OF BEARING1.1890 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
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 5121247?
5121247 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What is the NSN for 5121247?
5121247 is cataloged in the U.S. Government catalog under NSN 3120-00-945-4533. 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.