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120-33144-3 — BEARING,PLAIN,SPHERICAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

120-33144-3: BEARING,PLAIN,SPHERICAL.

The BEARING,PLAIN,SPHERICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, hole_diameter: 0.0625 INCHES NOMINAL FIRST IN, overall_length: 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN, surface_finish: 100.0 MICROINCHES OVERALL, style_designator: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-004-1997, 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
120-33144-3
NSN: 3120-01-004-1997
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
hole_diameter0.0625 INCHES NOMINAL FIRST IN
overall_length0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
surface_finish100.0 MICROINCHES OVERALL
style_designatorSOLID
surface_treatmentCHROMIUM LEFT END SURFACE
body_inside_diameter1.3750 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
spherical_body_diameter1.8145 INCHES MINIMUM AND 1.8150 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
antirotation/lubrication_type_and_quantity2 HOLE
NSN3120-01-004-1997
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 120-33144-3 · 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
•
SURFACE FINISH: 100.0 MICROINCHES OVERALL
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
STYLE DESIGNATOR: SOLID
•
BODY INSIDE DIAMETER: 1.3750 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
•
LUBRICANT ACCOMMODATION STYLE: GROOVED CIRCULAR
•
SURFACE TREATMENT: CHROMIUM LEFT END SURFACE
TECHNICAL CHARACTERISTICS
SURFACE FINISH100.0 MICROINCHES OVERALL
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
STYLE DESIGNATORSOLID
OVERALL LENGTH0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.3750 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
SURFACE TREATMENTCHROMIUM LEFT END SURFACE
SURFACE TREATMENTCHROMIUM RIGHT END SURFACE
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 120-33144-3?
120-33144-3 is a BEARING,PLAIN,SPHERICAL.
What is the NSN for 120-33144-3?
120-33144-3 is cataloged in the U.S. Government catalog under NSN 3120-01-004-1997. This indicates validated use in U.S. government and defense supply chains.
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