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233KD25 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

233KD25: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 2.1830 INCHES MINIMUM AND 2.1930 INCHES MAXIMUM IN, material: COPPER ALLOY OR COPPER ALLOY 797 OVERALL, hardness_rating: 69.0 ROCKWELL SUPERFICIAL 15-T MINIMUM AND 79.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM OVERALL, flange_thickness: 0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN, outside_diameter: 2.8750 INCHES NOMINAL IN, special_features: 8 EQUALLY SPACED 0.030 INCH GROOVES; BRONZE SURFACE .008 - .012 EACH SIDE IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-552-7263, 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
233KD25
NSN: 3120-01-552-7263
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
diameter2.1830 INCHES MINIMUM AND 2.1930 INCHES MAXIMUM IN
materialCOPPER ALLOY OR COPPER ALLOY 797 OVERALL
hardness_rating69.0 ROCKWELL SUPERFICIAL 15-T MINIMUM AND 79.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM OVERALL
flange_thickness0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
outside_diameter2.8750 INCHES NOMINAL IN
special_features8 EQUALLY SPACED 0.030 INCH GROOVES; BRONZE SURFACE .008 - .012 EACH SIDE IN
style_designatorROUND
overall_thickness0.1900 INCHES NOMINAL IN
lubrication_featureGROOVE FLAT BEARING SURFACE
shank_outside_diameter2.1830 INCHES MINIMUM AND 2.1930 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleSHOULDERED
NSN3120-01-552-7263
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 233KD25 · 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
•
FLANGE THICKNESS: 0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 0.1900 INCHES NOMINAL IN
•
HARDNESS RATING: 69.0 ROCKWELL SUPERFICIAL 15-T MINIMUM AND 79.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM OVERALL
•
STYLE DESIGNATOR: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J460 NO 792 OR 797 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
DIAMETER: 2.1830 INCHES MINIMUM AND 2.1930 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SHOULDERED
•
OUTSIDE DIAMETER: 2.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
OVERALL THICKNESS0.1900 INCHES NOMINAL IN
HARDNESS RATING69.0 ROCKWELL SUPERFICIAL 15-T MINIMUM AND 79.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM OVERALL
STYLE DESIGNATORROUND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J460 NO 792 OR 797 ASSN STD ALL MATERIAL RESPONSES OVERALL
DIAMETER2.1830 INCHES MINIMUM AND 2.1930 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESHOULDERED
OUTSIDE DIAMETER2.8750 INCHES NOMINAL IN
LUBRICATION FEATUREGROOVE FLAT BEARING SURFACE
SHANK OUTSIDE DIAMETER2.1830 INCHES MINIMUM AND 2.1930 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 233KD25?
233KD25 is a BEARING,WASHER,THRUST.
What is the NSN for 233KD25?
233KD25 is cataloged in the U.S. Government catalog under NSN 3120-01-552-7263. 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.