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4D98563 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

4D98563: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include construction: PERMANENT MAGNET, overall_length: 31.000 INCHES NOMINAL IN, overall_diameter: 17.000 INCHES NOMINAL IN, special_features: HIGH SPEED GENERATOR, ON BOARD, SHORE BASED, REPAIR PARTS. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-492-9518, 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
4D98563
NSN: 3120-01-492-9518
NIINs: 014929518, 014929683, 015036120
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 04808 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV CURTISS-WRIGHT EMD (USA)
SPECIFICATIONS
constructionPERMANENT MAGNET
overall_length31.000 INCHES NOMINAL IN
overall_diameter17.000 INCHES NOMINAL IN
special_featuresHIGH SPEED GENERATOR, ON BOARD, SHORE BASED, REPAIR PARTS
NSN3120-01-492-9518
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4D98563 · 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 1
5D86631Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 4D98563?
4D98563 is a BEARING,SLEEVE.
What parts can replace 4D98563?
There is 1 known substitute for 4D98563: 5D86631. Substitute compatibility should be verified for your specific system.
What is the NSN for 4D98563?
4D98563 is cataloged in the U.S. Government catalog under NSN 3120-01-492-9518. 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.