| Subject | English | Spanish |
| el. | arc furnace tilt roller track | vía de rodamiento de las cunas basculantes de un horno de arco |
| transp., construct. | roller track | carril de rodadura |
| industr., construct. | roller track | transportador de rodillos |
| industr., construct. | roller track dryer | secador con transportador de rodillos |
| transp., mech.eng. | roller track frame | carro de rodamiento |
| transp., mech.eng. | roller track frame | armazón de cadena |
| transp., mech.eng. | track roller | rodillo de apoyo |
| transp., mech.eng. | track roller | rodillo de rodadura |
| transp., mech.eng. | track roller | rodillo inferior |
| transp., construct. | track roller | rodillos de la oruga |
| transp., construct. | track roller frame | larguero de la oruga |
| mech.eng. | track roller guard | guardarrodillos |
| mech.eng. | track supporting roller | rodillo de soporte |
| mech.eng. | track supporting roller | rodillo superior |