SIDOOR MDG-PULLEY 10-S8M-56, pulley for DC gear motor MDG3 and toothed belt S8M, effective diameter 56mm Accessory for the SIDOOR MDG motors, as these are delivered without a fixed pulley. The complete SIDOOR belt drive system can be used with the SIDOOR MDG-PULLEY. Depending on the gear shape of the SIDOOR MDG motor, there is a 10 mm and 14 mm variant according to the output shaft. The 10 mm variant is required for the SIDOOR MDG3 and the 14 mm variant for the MDG4 and MDG5. This means that the SIDOOR TIMING BELTS STS-S8M in widths 12 mm and 14 mm, as well as the matching SIDOOR DEFLECTION PULLEY or SIDOOR DEFLECTION DEVICE including SIDOOR MOUNTING BRACKET 90 ° with tensioning device can be used. The matching SIDOOR DOOR CARRIER (12 mm or 14 mm) also closes the belt and a second door carrier also takes a second (opposite-rotating) door.