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Technical Data Sheet
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332391 — CHAIN,ROLLER

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

332391: CHAIN,ROLLER.

The CHAIN,ROLLER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3120-01-030-5543, 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
332391
NSN: 3120-01-030-5543
NIINs: 010305543, 013289901
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
Part Number332391
NSN3120-01-030-5543
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 332391 · 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
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 332391?
332391 is a CHAIN,ROLLER.
What is the NSN for 332391?
332391 is cataloged in the U.S. Government catalog under NSN 3120-01-030-5543. This indicates validated use in U.S. government and defense supply chains.
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