Model: MS27645-4ARG

Airframe Ball Bearing

Properties:

Bore Diameter
Between 0.2495 inches and 0.2500 inches
Overall Outside Diameter
Between 0.7495 inches and 0.7500 inches
Lubrication Material
Grease
Outer Ring Width
Between 0.2140 inches and 0.2190 inches
Inner Ring Width
Between 0.2760 inches and 0.2810 inches
Alignment Type
Self-aligning
Load Direction
Radial
Self-alignment Location
Internal
Internal Clearance
0.0002 inches radial and 0.0005 inches radial
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Plastic polytetrafluoroethylene seal
Material
Steel comp e51100 ball or steel comp e52100 ball
Material
Steel comp e51100 inner ring or steel comp e52100 inner ring
Material
Steel comp e51100 outer ring or steel comp e52100 outer ring
Material
Stainless steel retainer
Material Specification
Ams3652 assn standard 1st material response seal or ams3666 assn standard 2nd material response seal
Material Specification
Fed standard 66 e51100 federal standard 1st material response ball or federal standard 66 e52100 federal standard 2nd material response ball
Material Specification
Fed standard 66 e51100 federal standard 1st material response inner ring or federal standard 66 e52100 federal standard 2nd material response inner ring
Material Specification
Fed standard 66 e51100 federal standard 1st material response outer ring or federal standard 66 e52100 federal standard 2nd material response outer ring
Surface Treatment
Cadmium
Style Designator
Single row self aligning single row inner ring extended both sides
Specification Data
96906-ms27645 government standard
NSN
3110-01-307-7930
Part Number
MS27645-4ARG
Description
Bearing,ball,airframe
CAGE
96906

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 MS27645-4ARG NSN 3110-01-307-7930

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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