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B-5509 — BETA ASSEMBLY

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

B-5509: BETA ASSEMBLY.

The BETA ASSEMBLY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3120-00-339-3539, 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
B-5509
NSN: 3120-00-339-3539
NIINs: 003393539, 015745803
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 02280 — AMERICAN HOIST AND DERRICK CO
SPECIFICATIONS
Part NumberB-5509
NSN3120-00-339-3539
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B-5509 · 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 4
35905APC9Reference document
Same NSN cross-reference
Reference document — Secondary reference
35727APC9Reference document
Same NSN cross-reference
Reference document — Secondary reference
36328APC8Reference document
Same NSN cross-reference
Reference document — Secondary reference
35841APC9Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-5509?
B-5509 is a BETA ASSEMBLY.
What parts can replace B-5509?
There are 4 known substitutes for B-5509: 35905APC9, 35727APC9, 36328APC8 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-5509?
B-5509 is cataloged in the U.S. Government catalog under NSN 3120-00-339-3539. This indicates validated use in U.S. government and defense supply chains.
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