| Nota | Typus | Diameter | Diameter internus | Crassitudo | Applicabilis |
| Hitachi | 141*36*57/158*36*62 | 141mm | 57mm | 36mm | Scalae mobiles Hitachi |
Rota impulsoria scalarum mobilium Hitachi, rota frictionalis, diameter 158, crassitudo 36, foramen internum 62, diameter 141, crassitudo 36, foramen internum 57.