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509028 — BEARING,PLAIN,SPHERICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

509028: BEARING,PLAIN,SPHERICAL.

The BEARING,PLAIN,SPHERICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, overall_length: 0.0940 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES SPHERICAL SURFACE, style_designator: SOLID, body_inside_diameter: 0.0635 INCHES MINIMUM AND 0.0645 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-554-4949, 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
509028
NSN: 3120-00-554-4949
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
overall_length0.0940 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES SPHERICAL SURFACE
style_designatorSOLID
body_inside_diameter0.0635 INCHES MINIMUM AND 0.0645 INCHES MAXIMUM IN
spherical_body_diameter0.2120 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM IN
NSN3120-00-554-4949
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 509028 · 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: 32.0 MICROINCHES SPHERICAL SURFACE
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
STYLE DESIGNATOR: SOLID
•
BODY INSIDE DIAMETER: 0.0635 INCHES MINIMUM AND 0.0645 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SPHERICAL BODY DIAMETER: 0.2120 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES SPHERICAL SURFACE
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
STYLE DESIGNATORSOLID
OVERALL LENGTH0.0940 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.0635 INCHES MINIMUM AND 0.0645 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SPHERICAL BODY DIAMETER0.2120 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 509028?
509028 is a BEARING,PLAIN,SPHERICAL.
What is the NSN for 509028?
509028 is cataloged in the U.S. Government catalog under NSN 3120-00-554-4949. 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.