Model: MS27643-5CRES

Airframe Ball Bearing

Special Features:

Nickel-zinc surface treatment on all surfaces except seals, seals retainers or bore per ams 2417, type 2, class 2 or cadmium plate per qq-p-416, type 1, class 2

Properties:

Bore Diameter
Between 0.3120 inches and 0.3125 inches
Overall Outside Diameter
Between 1.2490 inches and 1.2500 inches
Lubrication Material
Grease
Outer Ring Width
Between 0.6510 inches and 0.6560 inches
Inner Ring Width
Between 0.8070 inches and 0.8120 inches
Load Direction
Radial
Lubrication Material Specification
Mil-g-81322 military specification single material response
Material
Plastic polytetrafluoroethylene seal
Material
Steel comp e9310 ball
Material
Steel comp e9310 inner ring or steel comp e51100 inner ring
Material
Steel comp e9310 outer ring
Material
Stainless steel retainer
Material Specification
Ams 3652 assn standard single material response seal or ams3666 assn standard single material response seal
Material Specification
Ams 6440 assn standard single material response ball
Material Specification
Ams 6440 assn standard single material response inner ring or ams6449 assn standard single material response inner ring
Material Specification
Ams 6440 assn standard single material response outer ring
Surface Treatment
Cadmium ball
Surface Treatment
Cadmium inner ring
Surface Treatment
Cadmium outer ring
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response outer ring
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response ball
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response inner ring
Style Designator
Double row
NSN
3110-01-563-2094
Part Number
MS27643-5CRES
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 MS27643-5CRES NSN 3110-01-563-2094

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:
A
ESD:
A
ESD:
A
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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