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Technical Data Sheet
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43860 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
Samsung · TAPERED BEARING
PRODUCT OVERVIEW

43860: BEARING,ROLLER,NEEDLE.

The SSD to trust The newest edition to the world’s best-selling SATA SSD series, the Samsung 860 EVO. Specially designed for mainstream PCs and laptops, with the latest V-NAND and a robust algorithm-based controller, this fast and reliable SSD comes in a wide range of compatible form factors and capacities. Enhanced performance Speeds are more consistent, even with heavy workloads and multi-tasks.

The 860 EVO performs at sequential writes up to 520 MB/s with Intelligent TurboWrite technology, and sequential reads up to 550 MB/s. The TurboWrite buffer size* is upgraded from 12 GB to 78 GB for faster file transfer. Boosted endurance Safely store and render large sized 4K videos and 3D data used by the latest applications, up to 8x higher TBW (Terabytes Written) than the previous 850 EVO.

The latest V-NAND technology gives you up to 2,400 TBW, or is backed by a 5-year limited warranty. Smart compatibility Benefit from faster, mo This part is cataloged in the U.S. Government catalog under NSN 3110-00-183-9878, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
43860
NSN: 3110-00-183-9878
NIINs: 001839878, 003505685, 004095698, 011400380, 011984458, 012480766, 015914195
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOAT
current_typeDC
ply_quantity1
bore_diameter1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
overall_width0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
terminal_typeSTUD
alignment_typeRIGID
overall_length50.750 INCHES NOMINAL IN
surface_finishGROUND
voltage_rating10.0 VOLTS MINIMUM AND 12.0 VOLTS MAXIMUM
mounting_methodBRACKET(S)
pressure_rating0.000 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 400.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
NSN3110-00-183-9878
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 43860 · Samsung ⚠ 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
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
•
OVERALL OUTSIDE DIAMETER: 2.4375 INCHES MINIMUM AND 2.4380 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
BORE DIAMETER: 1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
OVERALL WIDTH0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.4375 INCHES MINIMUM AND 2.4380 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
BORE DIAMETER1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
ST165Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 43860?
43860 is a BEARING,ROLLER,NEEDLE manufactured by Samsung.
What parts can replace 43860?
There is 1 known substitute for 43860: ST165. Substitute compatibility should be verified for your specific system.
What is the NSN for 43860?
43860 is cataloged in the U.S. Government catalog under NSN 3110-00-183-9878. This indicates validated use in U.S. government and defense supply chains.
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