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6655K39 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6655K39: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, outside_diameter: 1.2500 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.3420 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-593-0877, 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
6655K39
NSN: 3120-01-593-0877
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0KVE6 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
outside_diameter1.2500 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.3420 INCHES NOMINAL IN
NSN3120-01-593-0877
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6655K39 · 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
•
OVERALL THICKNESS: 0.3420 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 1.2500 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.3420 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OUTSIDE DIAMETER1.2500 INCHES NOMINAL IN
SPECIAL FEATURESDYNAMIC THRUST LOAD CAPACITY:36 LBS; MAX. RPM:2500; WASHER MATERIAL:TYPE 410 STAINLESS STEEL; BEARING BALL MATERIAL:TYPE 440C STAINLESS STEEL; BEARING BALL CAGE MATERIAL:NYLON; TEMPERATURE RANGE:NEGATIVE 40 TO 225 DEGREE FAHRENHEIT LBS
MATERIALSTEEL CORROSION RESISTING OVERALL
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
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 6655K39?
6655K39 is a BEARING,WASHER,THRUST.
What is the NSN for 6655K39?
6655K39 is cataloged in the U.S. Government catalog under NSN 3120-01-593-0877. 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.