Model: KS4

Airframe Ball Bearing

Special Features:

10.0 degree self alignment in either direction

Properties:

Bore Diameter
0.2500 inches
Overall Outside Diameter
0.9014 inches
Lubrication Material
Grease
Outer Ring Width
0.3350 inches
Inner Ring Width
0.4790 inches
Shield Quantity
2
Alignment Type
Self-aligning
Load Direction
Radial
Self-alignment Location
Internal
Lubrication Material Specification
Mil-g-3278 military specification single material response
Material
Steel comp e52100 ball
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 outer ring
Material
Steel comp e52100 shield
Material
Stainless steel retainer
Surface Treatment
Cadmium all external/exposed metal surfaces
Surface Treatment
Cadmium inner ring
Style Designator
Single row self aligning single row inner ring extended both sides
NSN
3110-00-142-4314
Part Number
KS4
Description
Bearing,ball,airframe
CAGE
43991

A cylindrical item in which the inner or outer ring turns upon row(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.

Part KS4 NSN 3110-00-142-4314

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00041
FIIG:
A044A0
Concept No.:
App. Key:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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