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AR12270 — BEARING SET,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

AR12270: BEARING SET,SLEEVE.

The BEARING SET,SLEEVE is a the manufacturer industrial component. Key specifications include specification/standard_data: 15434-AR12270 MANUFACTURERS STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-323-2452, 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
AR12270
NSN: 3120-01-323-2452
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
specification/standard_data15434-AR12270 MANUFACTURERS STANDARD
NSN3120-01-323-2452
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: AR12270 · 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
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SPECIFICATION/STANDARD DATA: 15434-AR12270 MANUFACTURERS STANDARD
TECHNICAL CHARACTERISTICS
SPECIFICATION/STANDARD DATA15434-AR12270 MANUFACTURERS STANDARD
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AR12270?
AR12270 is a BEARING SET,SLEEVE.
What is the NSN for AR12270?
AR12270 is cataloged in the U.S. Government catalog under NSN 3120-01-323-2452. 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.