RBC Aerospace Bearings offers a full line of Mil Spec standard lined journal bearings, unlined bushings, and many specialty and custom designed products to support the aerospace industry.   Journals are designed in a straight (plain) configuration with a flange to accommodate a combination of radial and axial loads with corrosion resistant materials and coatings. Journals are also offered in high temperature and water resistant series.

Typical journal materials are 17-4PH and aluminum.  Bearings may also be cadmium or zinc nickel plated as required.  In addition, CRES 440C and Inconel® 718 are available upon request. Journal bore and flanged journal face surfaces may also be provided with various liner systems to satisfy specific application requirements. (Inconel® is a registered trademark of Inco Alloys International, Inc. and The International Nickel Company, Inc.)   

RBC manufacturers a number of self-lubricating liner materials, including machinable liners, that are qualified to AS81934 (formerly MIL-B-81934).  In addition, over 60 other self-lubricating materials are available for specific characteristics; such as high temperature for turbine engine applications, or machinability for airframe, helicopter, and landing gear applications.

RBC journal bearings and bushings have been qualified to stringent SAE, military, NAS, AECMA, and customer design and performance standards in RBC test laboratories.  For information on special journal bearings and bushings or for information on the many  series of commercial journal bearings and bushings available from RBC, please consult RBC Customer Service at 866.RBC.AERO (866.722.2376).

Click this link for an RBC Engineering overview of plain bearings and to learn more about our advanced liner systems, Engineering Information, or click the link below for bearing specifications.

TABLE OF CONTENTS

Self-Lubricating

      AS81934 Plain Series

      AS81934 Flanged Series

          EN Standards
  • EN2285
    Straight Journal Series
    Aluminum, Self-lubricated
  • EN2286
    Flanged Journal Series
    Aluminum, Self-Lubricated
  • EN2287
    Straight Journal Series
    CRES, Self-Lubricated
  • EN2288
    Flanged Journal Series
    CRES, Self-Lubricated

      High Temperature Series


Machinable Liners

      AS81934 Plain Series

      AS81934 Flanged Series

      Water Resistant Series

 

Un-lined Bushings

      NAS Series

  • NAS76
    Plain Bushing Series
    Various Material Options
    Un-lined
  • NAS77
    Flanged Bushing Series
    Un-lined

      Mil-Spec Series

  • MS14237
    Plain Bushing Series
    Various Material Options
    Un-lined
  • MS14238
    Flanged Bushing Series
    Un-lined

Standard Bushing Feature Page

Special Bushing Feature Page