Model: B927

Airframe Ball Bearing

Properties:

Bore Diameter
0.1900 inches
Overall Outside Diameter
0.6250 inches
Lubrication Material
Grease
Outer Ring Width
0.2030 inches
Inner Ring Width
0.2450 inches
Seal Quantity
2
Bearing Seal Type
Contact
Load Direction
Radial
Standard Tolerance Designation
Afbma standard tolerance for airframe ball bearings
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
Stainless steel retainer
Material Specification
66 federal standard all material responses ball
Material Specification
66 federal standard single material response inner ring
Material Specification
66 federal standard single material response outer ring
Material Specification
Ams 3652 assn standard single material response seal or ams 3666 assn standard single material response seal
Surface Treatment
Cadmium exposed surfaces as mounted
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response exposed surfaces as mounted
Style Designator
Single row inner ring extended both sides
NSN
3110-00-142-4277
Part Number
B927
Description
Bearing,ball,airframe
CAGE

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 B927 NSN 3110-00-142-4277

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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