List of railroad truck parts
An axle box, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock. 
Plain bearings are now illegal for interchange service in North America. As early as 1908 axle boxes contained a set of long cylindrical rollers allowing the axle to rotate. It was also used on steam locomotives such as the Victorian Railways A2 class, the LMS Garratt, the LSWR 415 class, and the GCR Class 1.[dubious ]
Truck side frameEdit
Each truck has a bolster—a transverse floating beam—between the side frames. It is the central part of every truck on which the underframe of the railcar or railroad car is pivoted through the center pivot pin.
There is one side bearing located on each side of the centerplate on the truck bolster.
An American journal box showing a plain bearing
- Axle track
- Ball bearings, replaced journal bearings for interchange
- Glossary of North American railway terms
- Glossary of rail transport terms
- ICF Bogie
- Roller bearings, replaced journal bearings for interchange
- Rotation around a fixed axis
- Stuffing box
- Timmis system, an early form of coil spring used on railway axles.
- Train wheel
- "Railroad Dictionary: J". CSX.com. CSX Corporation. 2012. Archived from the original on 29 July 2014. Retrieved 15 November 2014.
- Car and Locomotive Cyclopedia 1969
- [httnoqp://www.columbuscastings.com/bolster_frames.html "AAR M-1003 Certified Truck Component Manufacturing"]. ColumbusCastings.com. Columbus, Ohio: Columbus Castings. Retrieved 19 November 2014.[dead link]
- "General Information" (PDF). SCTCO.com. Standard Car Truck Company. January 2000. Archived from the original (PDF) on 4 March 2016. Retrieved 19 November 2014.
- "The Evolution of Railway Axlebox Technology". Evolution. SKF. 7 December 2010. Retrieved 18 September 2014.
- "Glossary: A". Railway-Technical.com. Railway Technical Web Pages. 2014. Archived from the original on 7 October 2014. Retrieved 19 November 2014.
- "Railroad Dictionary: C". CSX.com. CSX Corporation. 2012. Archived from the original on 1 April 2015. Retrieved 15 November 2014.
- "APTA PR-CS-RP-003-98 Recommended Practice for Developing a Clearance Diagram for Passenger Equipment" (PDF). APTA.com. American Public Transportation Association. 26 March 1998. Archived from the original (PDF) on 26 June 2015. Retrieved 17 January 2015.
- "Railroad Dictionary: B". CSX.com. CSX Corporation. 2012. Archived from the original on 29 July 2014. Retrieved 15 November 2014.
- US Army Field Manual FM 55-20, Figure 8-8, Department of the Army, Washington DC
- Car and Locomotive Cyclopedia 1970
- Forney, Matthias N. (1879). The Railroad Car Builder's Dictionary. Dover Publications.
- White, John H. (1978). The American Railroad Passenger Car. Baltimore, MD: Johns Hopkins University Press. ISBN 0801819652. OCLC 2798188. Cite has empty unknown parameter:
- White, John H. Jr. (1993). The American Railroad Freight Car: From the Wood-Car Era to the Coming of Steel. Baltimore: Johns Hopkins University Press. ISBN 0-8018-4404-5. OCLC 26130632.
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