RAILWAY FREIGHT CAR SIDE BEARING

摘要

A long travel constant contact side bearing for railway cars provides bette r handling characteristics, achieving improved tracking and curving through us e of various combinations of features. The side bearing comprises a base and a generally cylindrical wall section extending upwardly from the base. A cup--shaped cap comprises a generally circular top section and a generally cylindrical wall section extending downwardly therefrom. The cap extends into the wall section of the base. At least one coil spring is provided within the base an d extends to the underside of the cap. The cup shaped cap includes a centrally located cut out section with an elastomer pad fitted within the cut out section. The cup shaped cap cylindrical wall sections can be coated with a lubricant or hardening substance.