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478046 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

478046: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SPREADER, seal_width: 0.142 INCHES NOMINAL IN, construction: ONE-PIECE, housing_bore_diameter: 1.375 INCHES NOMINAL IN, accommodated_shaft_diameter: 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, cross-sectional_shape_style: C-SECTION W/ SPRING RING. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-102-6755, 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
478046
NSN: 3120-00-102-6755
NIINs: 001026755, 013585555
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 72850 — PUROLATOR PRODUCTS CO DIV MOTOR COMPONENTS, LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SPREADER
seal_width0.142 INCHES NOMINAL IN
constructionONE-PIECE
housing_bore_diameter1.375 INCHES NOMINAL IN
accommodated_shaft_diameter1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
cross-sectional_shape_styleC-SECTION W/ SPRING RING
NSN3120-00-102-6755
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 478046 · 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: 0.1000 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN
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STYLE DESIGNATOR: ROUND
•
DIAMETER: 0.6250 INCHES MINIMUM AND 0.6340 INCHES MAXIMUM IN
•
SURFACE CONDITION: GROUND
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CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.5625 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.1000 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
DIAMETER0.6250 INCHES MINIMUM AND 0.6340 INCHES MAXIMUM IN
SURFACE CONDITIONGROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.5625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 1
204070Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 478046?
478046 is a BEARING,WASHER,THRUST.
What parts can replace 478046?
There is 1 known substitute for 478046: 204070. Substitute compatibility should be verified for your specific system.
What is the NSN for 478046?
478046 is cataloged in the U.S. Government catalog under NSN 3120-00-102-6755. 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.