SPECIFICATIONS FOR APPROVED JOURNAL ROLLER BEARINGS APPLICABLE TO INTERCHANGE FREIGHT CARS

The revisions to these specifications for journal roller bearings for interchange freight cars include: design changes regarding life expectancy, lubrication seals and lubrication; manufacturing requirements regarding material quality, dimensions, and markings; instruction changes for assigning approval numbers when making application to the AAR; and the laboratory inspection and tests required for AAR approval. Clearance outline and limiting dimensions are shown for seals and seal fit for freight car roller bearings.

• Corporate Authors:

  Association of American Railroads

  50 F Street, NW
  Washington, DC  United States  20001-1564
• Publication Date: 1971

Media Info

• Features: Appendices; Figures; Tables;
• Pagination: 8 p.

Subject/Index Terms

• TRT Terms: Bearings; Equipment design; Freight cars; Lubrication; Railroad cars; Size; Specifications; Technology; Trucks; Vehicle design
• Geographic Terms: United States
• Subject Areas: Design; Motor Carriers; Railroads;

Filing Info

• Accession Number: 00040005
• Record Type: Publication
• Files: TRIS
• Created Date: Jan 22 1973 12:00AM