Contains load carrying and traction wheels designed for use on railway-track, axles for such wheels, and means for securing such wheels and axles together. In the case of mine-car axles the brackets or bearings for securing the axles directly to the car-bottom without a truck-frame are included in this class.
Lines with other classes and within this class
For wheels for panel hangers and travelers see Class 16, Miscellaneous Hardware, subclass 107.
See Class 492, Rolls and Rollers, for rolls and rollers per se, not elsewhere provided for, and see the Notes thereto for other rolls.