Model: KP37BE8081

Airframe Ball Bearing

Properties:

Bore Diameter
Between 2.3120 inches and 2.3130 inches
Overall Outside Diameter
Between 3.0615 inches and 3.0625 inches
Lubrication Material
Lubricant
Outer Ring Width
Between 0.3700 inches and 0.3750 inches
Inner Ring Width
Between 0.4325 inches and 0.4375 inches
Retainer Fabrication Method
Pressed
Seal Quantity
2
Bearing Seal Type
Contact
Load Direction
Radial
Internal Fit-up Designation
Standard
Features Provided
Extra light duty series
Standard Tolerance Designation
Afbma standard tolerance for airframe ball bearings
Functional Description
Radial torque tube type control
Lubrication Material Specification
E8081 mfr ref single material response
Material
Plastic polytetrafluoroethylene seal
Material
Steel comp e51100 ball or steel comp e52100 ball
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 outer ring
Material
Steel comp e52100 retainer
Material Specification
66 uns g51986 or g93106 federal standard all material responses ball
Material Specification
66 uns g93106 federal standard single material response inner ring
Material Specification
66 uns g93106 federal standard single material response outer ring
Material Specification
66 uns s41000 federal standard single material response retainer
Material Specification
Ams 3652 assn standard single material response seal or ams 3666 assn standard single material response seal
Surface Treatment
Cadmium all external/exposed metal surfaces
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response all external/exposed metal surfaces
Style Designator
Single row inner ring extended both sides
Specification Data
81349-mil-b-7949 government specification
Departure From Cited Document
As modified by lubrication
NSN
3110-01-251-0029
Part Number
KP37BE8081
Description
Bearing,ball,airframe
CAGE
06144

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 KP37BE8081 NSN 3110-01-251-0029

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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