Berges® Spring tension Pulley type F196b for use with wide belts type CW-b 33 and adjusting pulley R196b. Diameter of 191mm with length through bore 110mm, die cast aluminum sheave faces with steel slide hub. Identified by casting numbers 11000346 and 11000573, one spring; castings used on other series of pulleys.. Maximum shaft diameter 28mm with standard bores listed for sale, alternative bores are available contact TVT for non-standard bore quotation.