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12321726 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12321726: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT, bore_diameter: 5.1181 INCHES NOMINAL IN, overall_width: 3.1496 INCHES NOMINAL IN, style_designator: NON-SEPARABLE, overall_outside_diameter: 9.0551 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-159-1828, 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
12321726
NSN: 3110-01-159-1828
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter5.1181 INCHES NOMINAL IN
overall_width3.1496 INCHES NOMINAL IN
style_designatorNON-SEPARABLE
overall_outside_diameter9.0551 INCHES NOMINAL IN
NSN3110-01-159-1828
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12321726 · 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
•
STYLE DESIGNATOR: NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 9.0551 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 5.1181 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-SEPARABLE
OVERALL WIDTH3.1496 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER9.0551 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
BORE DIAMETER5.1181 INCHES NOMINAL IN
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 4
23226CC/C2MW33Reference document
Same NSN cross-reference
Reference document — Secondary reference
23226CC/CC2MW33Reference document
Same NSN cross-reference
Reference document — NATO reproduction reference
12312726Reference document
Same NSN cross-reference
Reference document — Secondary reference
23226LB/C27-33Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 12321726?
12321726 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 12321726?
There are 4 known substitutes for 12321726: 23226CC/C2MW33, 23226CC/CC2MW33, 12312726 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12321726?
12321726 is cataloged in the U.S. Government catalog under NSN 3110-01-159-1828. 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.