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18557 — BEARING,BALL,ANNULAR

✓ Government record, cited
Clementoni · MRO · MRO_GENERAL
PRODUCT OVERVIEW

18557: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a Clementoni industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, temp_rating: 105.0 CELSIUS DEGC, bore_diameter: 6.7500 INCHES NOMINAL IN, overall_width: 0.6250 INCHES NOMINAL IN, conductor_form: STRANDED SINGLE CONDUCTOR. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-038-1956, 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
MRO→ MRO_GENERAL→ 18557
NSN: 5306-00-038-1956
NIINs: 000381956, 002227300, 003462826, 005181080, 008053368, 008664196, 009454270, 014593606
FSC: 5306 — Bolts
CAGE: 04627 — HYSTER-YALE GROUP, INC. DIV HYSTER-YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
temp_rating105.0 CELSIUS DEGC
bore_diameter6.7500 INCHES NOMINAL IN
overall_width0.6250 INCHES NOMINAL IN
conductor_formSTRANDED SINGLE CONDUCTOR
load_directionRADIAL
surface_finishGROUND
voltage_rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
surface_treatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
lubrication_materialGREASE
NSN5306-00-038-1956
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 18557 · Clementoni ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 7
X03362Reference document
Same NSN cross-reference
Reference document — Secondary reference
179859Reference document
Same NSN cross-reference
Reference document — Secondary reference
1C720Reference document
Same NSN cross-reference
Reference document — Secondary reference
15731Reference document
Same NSN cross-reference
Reference document — Secondary reference
50417Reference document
Same NSN cross-reference
Reference document — Secondary reference
X3362Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
Manufacturer release date (catalog record)2020-01-15
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18557?
18557 is a BEARING,BALL,ANNULAR manufactured by Clementoni. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18557?
There are 7 known substitutes for 18557: X03362, 179859, 1C720 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18557?
18557 is cataloged in the U.S. Government catalog under NSN 5306-00-038-1956. This indicates validated use in U.S. government and defense supply chains.
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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.