Airframe ball bearing MS21428-42

Product Features

Heat stabilized for operation at 250 degrees f; 80 pct full of specified lubricant; all external surfaces except bore and seals treated w/cadmium per qq-p-416, type 1, cl 2

Manufacturer Specification

Bore Diameter
1.3125 inches
Overall Outside Diameter
1.7500 inches
Lubrication Material
Outer Ring Width
0.2500 inches
Inner Ring Width
0.2810 inches
Seal Quantity
Bearing Seal Type
Load Direction
Standard Tolerance Designation
Afbma standard tolerance for airframe ball bearings
Lubrication Material Specification
Mil-g-81322 military specification single material response
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 1st material response seal or ams 3666 assn standard 2nd material response seal and ams 3666 assn standard 3rd material response seal
Style Designator
Single row inner ring extended both sides

Product Details

Steel comp e52100 outer ring material.

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Last Availability

This product was available in the following quantities and conditions when checked on 07/04/2023.

  • NS Stock: 95
  • NE Stock: 168
  • AR Stock: 1
  • SV Stock: 1
  •   ISO9001 / AS9100 Quality Standards
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last updated on 04/14/2024