Berges® Control Pulley type R300b for use with wide belts type CW-b 51 and spring tensioning pulley F300b. Diameter of 305mm with length trough the bore 185mm. Die-cast aluminum pulley faces with steel slide hub with thrust bearing on one side. Casting numbers ; castings maybe used on other series of pulleys. Maximum shaft diameter 48mm with standard bores listed for sale, alternative bores are available contact TVT for non-standard bore quotation.