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12321036 — RETAINER,BALL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12321036: RETAINER,BALL,BEARING.

The RETAINER,BALL,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.8750 INCHES NOMINAL IN, cubic_measure: 3.4347 CUBIC INCHES, overall_width: 0.7500 INCHES NOMINAL IN, outside_diameter: 3.2500 INCHES NOMINAL IN, retainer_fabrication_method: MACHINED. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-180-3489, 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
12321036
NSN: 3110-01-180-3489
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.8750 INCHES NOMINAL IN
cubic_measure3.4347 CUBIC INCHES
overall_width0.7500 INCHES NOMINAL IN
outside_diameter3.2500 INCHES NOMINAL IN
retainer_fabrication_methodMACHINED
material_document_and_classificationASTM A108,11L41 TO 11L44 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A304,41L40 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A505,4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-180-3489
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12321036 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
RETAINER FABRICATION METHOD: MACHINED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108,11L41 TO 11L44 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A304,41L40 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A505,4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.2500 INCHES NOMINAL IN
•
CUBIC MEASURE: 3.4347 CUBIC INCHES
•
BORE DIAMETER: 1.8750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108,11L41 TO 11L44 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A304,41L40 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A505,4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.7500 INCHES NOMINAL IN
OUTSIDE DIAMETER3.2500 INCHES NOMINAL IN
CUBIC MEASURE3.4347 CUBIC INCHES
BORE DIAMETER1.8750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12321036?
12321036 is a RETAINER,BALL,BEARING.
What is the NSN for 12321036?
12321036 is cataloged in the U.S. Government catalog under NSN 3110-01-180-3489. 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.