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Airframe Ball Bearing

NSN: 3110-00-142-4314 | Model: AN200KS4

A cylindrical item in which the inner or outer ring turns upon ro (s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes bearing, ball, annular.

NSN Properties and Flags
NATO Stock Number
Bore Diameter
0.2500 inches
Overall Outside Diameter
0.9014 inches
Lubrication Material
Outer Ring Width
0.3350 inches
Inner Ring Width
0.4790 inches
Shield Quantity
Alignment Type
Load Direction
Self-alignment Location
Special Features
10.0 degree self alignment in either direction
Lubrication Material Specification
Mil-g-3278 military specification single material response
Stainless steel retainer
Surface Treatment
Cadmium inner ring
Style Designator
Single row self aligning single row inner ring extended both sides

Inventory Check

The last inventory check on this NSN was done on 07/21/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New: 37
  • New Surplus: 85
  • As Removed: 1
  • Overhauled: 1
  • Serviceable: 1

Pricing and Availability

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NSN 3110-00-142-4314 Datasheet

Supply Class (FSC):
Unmounted Antifriction Bearings
Cross Reference:
  • AN200KS4
  • KS4FS160
  • KS4FS160A
  • KS4
  • KS4
  • KS4
  • KS4ANG25
  • 520778-2
  • AN200KS4ANG25
  • BB1156
  • AN200KS4
  • 6541
  • KS4
  • N16B5007-15
  • 6541
  • KS4
  • KS4FS160
  • KS4FS160A
  • KS4MILG3278A
  • KS4
Cage Codes:
  • Aeronautical Standards Group (CAGE 88044)
  • Rbc Aircraft Products, Inc. (CAGE 3NPS1)
  • Fag Bearings Corporation (CAGE 43991)
  • Skf Usa Inc. (CAGE 52676)
  • Schatz Bearing Corporation (CAGE 21760)
  • Instruments and Flight Research Inc. (CAGE 22525)
  • Joint Aircraft Committee (CAGE 80059)
  • Bae Systems Information and (CAGE 80249)
  • Navy Aeronautical Air Force (CAGE 81352)
  • Timken Europa Sarl (CAGE FA951)
  • Navy Electronics Supply Office (CAGE 80133)
  • Skf Industries Inc (CAGE 43766)
  • Timken Company, The (CAGE 21335)
  • Skf Usa Inc. (CAGE 38443)
Schedule B & Trade:
  • Schedule B: 8482105068 (NAICS 332991)

    Ball bearings, nesoi

  • SITC: 74610

    Ball bearings

  • End Use: 21180

    Industrial machines, other


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 3110-00-142-4314 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Austria, Brazil, Spain, Columbia, Israel, Argentina, Singapore, Malaysia, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Portugal, Italy, Norway, Greece, and Turkey
What is the NIIN of NSN 3110-00-142-4314?
001424314 or 00-142-4314
Does NSN 3110-00-142-4314 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3110-00-142-4314?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963