Berges® Control Pulley type R400b for use with wide belts type CW-b 83 and spring tensioning pulley F400b or D400b Diameter of 372mm with length trough the bore 220mm. 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 65mm with standard bores listed for sale, alternative bores are available contact TVT for non-standard bore quotation.