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Y186-53 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

Y186-53: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, corner_shape: SQUARE ALL CORNERS, overall_length: 0.7000 INCHES MINIMUM AND 0.7030 INCHES MAXIMUM IN, outside_diameter: 1.625 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, aperture_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-662-1686, 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
Y186-53
NSN: 3120-00-662-1686
NIINs: 006621686, 017297586
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
corner_shapeSQUARE ALL CORNERS
overall_length0.7000 INCHES MINIMUM AND 0.7030 INCHES MAXIMUM IN
outside_diameter1.625 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
aperture_diameter1.250 INCHES NOMINAL IN
body_inside_diameter1.1870 INCHES MINIMUM AND 1.1880 INCHES MAXIMUM IN
body_outside_diameter1.3650 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN
cross-sectional_thickness0.1875 INCHES NOMINAL IN
NSN3120-00-662-1686
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: Y186-53 · 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
•
BODY OUTSIDE DIAMETER: 1.3650 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 1.1870 INCHES MINIMUM AND 1.1880 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.3650 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.7000 INCHES MINIMUM AND 0.7030 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.1870 INCHES MINIMUM AND 1.1880 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
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 Y186-53?
Y186-53 is a BEARING,SLEEVE.
What is the NSN for Y186-53?
Y186-53 is cataloged in the U.S. Government catalog under NSN 3120-00-662-1686. 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.