Model: AS28913-8C

Airframe Roller Bearing

Special Features:

Internal radial clearance .005 to .025, oil holes in oil groove in od of outer ring

Properties:

Bore Diameter
Between 0.4995 inches and 0.5000 inches
Overall Outside Diameter
Between 1.6870 inches and 1.6875 inches
Lubrication Material
Grease
End Application
F/a-22 raptor
Outer Ring Width
Between 0.8070 inches and 0.8120 inches
Inner Ring Width
Between 0.9995 inches and 1.0000 inches
Retainer Fabrication Method
Machined
Seal Quantity
2
Bearing Seal Type
Contact
Lubrication Material Specification
Mil-g-81322 military specification single material response
Material
Rubber synthetic roller
Material
Steel comp 4140 retainer
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 outer ring
Material Specification
Mil-s-7420 military specification single material response roller
Surface Treatment
Cadmium exposed surfaces as mounted
Style Designator
Concave rollers, double closure, self aligning
NSN
3110-01-498-5855
Part Number
AS28913-8C
Description
Bearing,roller,airframe
CAGE
81205

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened roller, 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, roller, cylindrical.

Part AS28913-8C NSN 3110-01-498-5855

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00046
FIIG:
A044A0
Concept No.:
App. Key:
U
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:
FR
CRITL:
X

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Schedule B and Export
  • Schedule B: 8482800080
  • SITC: 74680
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other ball or roller bearings, including combined ball/roller bearings, nesoi

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