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708406-3 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

708406-3: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 1.0000 INCHES NOMINAL IN, material: COPPER ALLOY 411 OR COPPER ALLOY 546-CANCELED OVERALL, corner_shape: SQUARE ALL CORNERS, hardness_rating: 60.0 ROCKWELL B NOMINAL OVERALL, outside_diameter: 2.2470 INCHES MINIMUM AND 2.2530 INCHES MAXIMUM IN, special_features: TWO GROOVES ON EACH SIDE. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-708-4063, 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
708406-3
NSN: 3120-00-708-4063
NIINs: 007084063, 011965713
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
diameter1.0000 INCHES NOMINAL IN
materialCOPPER ALLOY 411 OR COPPER ALLOY 546-CANCELED OVERALL
corner_shapeSQUARE ALL CORNERS
hardness_rating60.0 ROCKWELL B NOMINAL OVERALL
outside_diameter2.2470 INCHES MINIMUM AND 2.2530 INCHES MAXIMUM IN
special_featuresTWO GROOVES ON EACH SIDE
style_designatorROUND
overall_thickness0.0710 INCHES MINIMUM AND 0.0750 INCHES MAXIMUM IN
lubrication_featureGROOVE FLAT BEARING SURFACE
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-708-4063
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 708406-3 · 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: 0.0710 INCHES MINIMUM AND 0.0750 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 ROCKWELL B NOMINAL OVERALL
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 1.0000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.2470 INCHES MINIMUM AND 2.2530 INCHES MAXIMUM IN
•
LUBRICATION FEATURE: GROOVE FLAT BEARING SURFACE
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.0710 INCHES MINIMUM AND 0.0750 INCHES MAXIMUM IN
HARDNESS RATING60.0 ROCKWELL B NOMINAL OVERALL
STYLE DESIGNATORROUND
DIAMETER1.0000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.2470 INCHES MINIMUM AND 2.2530 INCHES MAXIMUM IN
LUBRICATION FEATUREGROOVE FLAT BEARING SURFACE
SPECIAL FEATURESTWO GROOVES ON EACH SIDE
MATERIALCOPPER ALLOY 411 OR COPPER ALLOY 546-CANCELED OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
8613443Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
35-8613443Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 708406-3?
708406-3 is a BEARING,WASHER,THRUST.
What parts can replace 708406-3?
There are 2 known substitutes for 708406-3: 8613443, 35-8613443. Substitute compatibility should be verified for your specific system.
What is the NSN for 708406-3?
708406-3 is cataloged in the U.S. Government catalog under NSN 3120-00-708-4063. 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.