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Technical Data Sheet
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1-300-002 — BEARING,BALL,ANNULAR

✓ Government record, cited
Conceptronic · TAPERED BEARING
PRODUCT OVERVIEW

1-300-002: BEARING,BALL,ANNULAR.

With this 3.5” USB Hard Disk Box it is very easy to connect a 3.5” SATA hard disk to an available USB port on your PC, notebook or netbook. Simply recycle the hard disk from your old desktop computer or just buy a new one. This 3.5” USB Hard Disk Box is perfect for making back-ups of your music, videos, photos and files or just using it as external storage.

Thanks to the screwless slider mechanism, assembly can be done under 5 seconds! - USB 2.0 data speed (480Mbps) - Compatible with all 3.5 inch (8,9 cm) SATA hard disks - Screwless slider mechanism for easy assembly This part is cataloged in the U.S. Government catalog under NSN 3110-00-580-3268, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
1-300-002
NSN: 3110-00-580-3268
NIINs: 005803268, 016040789, 017325518
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 91547 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL (USA)
SPECIFICATIONS
special_featuresSHUTTERED EYEPIECE SILICONE CUP FOR USE
supplementary_featuresWITH THE SU-309/PAS
part_name_assigned_by_controlling_agencySHUTTERED EYEPIECE SILICON CUP
NSN3110-00-580-3268
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1-300-002 · Conceptronic ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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RETAINER FABRICATION METHOD: MACHINED
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INTERNAL CLEARANCE: 0.0050 INCHES NOMINAL AXIAL AND 0.0003 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
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SURFACE FINISH: GROUND
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STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0050 INCHES NOMINAL AXIAL AND 0.0003 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION-3900,91547 MFR REF SINGLE MATERIAL RESPONSE AND -3905,91547 MFR REF SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE AND AMS 6441 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
OVERALL WIDTH6.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER24.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 8
1901-S-300Reference document
Same NSN cross-reference
Reference document — Secondary reference
D3-36284REVGReference document
Same NSN cross-reference
Reference document — Secondary reference
1-300-002-02Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
PM9301KMBRReference document
Same NSN cross-reference
Reference document — Secondary reference
PM9301KMBRE8211Reference document
Same NSN cross-reference
Reference document — Secondary reference
1-300-002-01Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1-300-002?
1-300-002 is a BEARING,BALL,ANNULAR manufactured by Conceptronic.
What parts can replace 1-300-002?
There are 8 known substitutes for 1-300-002: 1901-S-300, D3-36284REVG, 1-300-002-02 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-300-002?
1-300-002 is cataloged in the U.S. Government catalog under NSN 3110-00-580-3268. 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.