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A43163 — BEARING,MAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A43163: BEARING,MAIN.

The BEARING,MAIN is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3120-01-070-4564, 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
A43163
NSN: 3120-01-070-4564
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
Part NumberA43163
NSN3120-01-070-4564
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A43163 · 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 2
MB-2810PReference document
Same NSN cross-reference
Reference document — Secondary reference
2431CPAReference 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 A43163?
A43163 is a BEARING,MAIN.
What parts can replace A43163?
There are 2 known substitutes for A43163: MB-2810P, 2431CPA. Substitute compatibility should be verified for your specific system.
What is the NSN for A43163?
A43163 is cataloged in the U.S. Government catalog under NSN 3120-01-070-4564. This indicates validated use in U.S. government and defense supply chains.
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