INVESTIGATION OF LOAD DISTRIBUTION ON JOURNAL BEARINGS

This investigation was initiated when it was found that many bearings are improperly loaded on the journal. The tendency is for the load to be concentrated at one or both ends of the bearing, which results in an undesirable bearing operating condition. In addition to laboratory tests, this investigation included data obtained from several railways as well as an inspection of bearings made by the Magnus Metal Corporation. Based on these data, the following conclusion was reached: The present wedge and bearing back design does not provide optimum loading of the bearing on the journal. Significant improvement can be made in the load distribution by two relatively minor changes, which are: 1. Change radius of the bearing wedge back from 78 inches to 50 inches. 2. Change shape of bearing back.

• Corporate Authors:

  Association of American Railroads

  3140 South Federal Street
  Chicago, IL  United States  60605
• Publication Date: 1957-11

Media Info

• Pagination: 2 p.

Subject/Index Terms

• TRT Terms: Axles; Bearings; Journal boxes; Load transfer; Size; Technology; Vehicle design
• Geographic Terms: United States
• Old TRIS Terms: Axle design
• Subject Areas: Design; Railroads;

Filing Info

• Accession Number: 00040368
• Record Type: Publication
• Report/Paper Numbers: AAR MR-310 Res Rpt
• Files: TRIS
• Created Date: Jul 8 1994 12:00AM