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P411581N — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

P411581N: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: IRON CAST OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, overall_length: 2.7560 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY, hardness_rating: 59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM INSIDE DIAMETER SURFACE OF BODY, special_features: ID IS NITRIDED. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-185-2103, 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
P411581N
NSN: 3120-01-185-2103
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
overall_length2.7560 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
hardness_rating59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM INSIDE DIAMETER SURFACE OF BODY
special_featuresID IS NITRIDED
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.9488 INCHES MINIMUM AND 0.9496 INCHES MAXIMUM IN
body_outside_diameter1.1827 INCHES MINIMUM AND 1.1834 INCHES MAXIMUM IN
NSN3120-01-185-2103
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: P411581N · 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
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
BODY OUTSIDE DIAMETER: 1.1827 INCHES MINIMUM AND 1.1834 INCHES MAXIMUM IN
•
HARDNESS RATING: 59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM INSIDE DIAMETER SURFACE OF BODY
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER1.1827 INCHES MINIMUM AND 1.1834 INCHES MAXIMUM IN
HARDNESS RATING59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM INSIDE DIAMETER SURFACE OF BODY
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH2.7560 INCHES NOMINAL IN
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 P411581N?
P411581N is a BUSHING,SLEEVE.
What is the NSN for P411581N?
P411581N is cataloged in the U.S. Government catalog under NSN 3120-01-185-2103. 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.