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8F3638 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8F3638: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 2.1875 INCHES NOMINAL IN, material: STEEL OVERALL, outside_diameter: 3.4687 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.3750 INCHES NOMINAL IN, surface_condition: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-024-1809, 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
8F3638
NSN: 3120-00-024-1809
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
diameter2.1875 INCHES NOMINAL IN
materialSTEEL OVERALL
outside_diameter3.4687 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.3750 INCHES NOMINAL IN
surface_conditionGROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-024-1809
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8F3638 · 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
•
OVERALL THICKNESS: 0.3750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 2.1875 INCHES NOMINAL IN
•
SURFACE CONDITION: GROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 3.4687 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.3750 INCHES NOMINAL IN
STYLE DESIGNATORROUND
DIAMETER2.1875 INCHES NOMINAL IN
SURFACE CONDITIONGROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER3.4687 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
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 8F3638?
8F3638 is a BEARING,WASHER,THRUST.
What is the NSN for 8F3638?
8F3638 is cataloged in the U.S. Government catalog under NSN 3120-00-024-1809. 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.