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12Y4206 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

12Y4206: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 2.4450 INCHES MINIMUM AND 4.4550 INCHES MAXIMUM IN, material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 3.0000 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.5312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-383-5117, 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
12Y4206
NSN: 3120-00-383-5117
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 61465 — GARWOOD/FELLER INC GARWOOD WINCH DIV (USA)
SPECIFICATIONS
diameter2.4450 INCHES MINIMUM AND 4.4550 INCHES MAXIMUM IN
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter3.0000 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.5312 INCHES NOMINAL IN
surface_conditionGROUND
lubrication_featureGROOVE FLAT BEARING SURFACE
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-383-5117
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12Y4206 · 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
•
OVERALL THICKNESS: 0.5312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 2.4450 INCHES MINIMUM AND 4.4550 INCHES MAXIMUM IN
•
SURFACE CONDITION: GROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 3.0000 INCHES NOMINAL IN
•
LUBRICATION FEATURE: GROOVE FLAT BEARING SURFACE
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.5312 INCHES NOMINAL IN
STYLE DESIGNATORROUND
DIAMETER2.4450 INCHES MINIMUM AND 4.4550 INCHES MAXIMUM IN
SURFACE CONDITIONGROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER3.0000 INCHES NOMINAL IN
LUBRICATION FEATUREGROOVE FLAT BEARING SURFACE
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 4
126633Reference document
Same NSN cross-reference
Reference document — Secondary reference
GTB5384Reference document
Same NSN cross-reference
Reference document — Secondary reference
26A522Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3009361Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12Y4206?
12Y4206 is a BEARING,WASHER,THRUST.
What parts can replace 12Y4206?
There are 4 known substitutes for 12Y4206: 126633, GTB5384, 26A522 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12Y4206?
12Y4206 is cataloged in the U.S. Government catalog under NSN 3120-00-383-5117. 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.