Berges® Spring Tensioning pulley type F181sb interchange with Lenze® Simplabelt size 126.96.36.199.1. for use with wide belts type CW-b 28 and fixed diameter pulley, speed change achieved by changing center distance between sheaves. Diameter 120mm with length through bore of 108mm, one spring on each side of pulley for a total of two springs. Identified by casting numbers 11000308 and 11000326 stamped on pulley faces; castings maybe used on other series of pulleys. Maximum shaft diameter 28mm with standard bores listed for sale. To order a custom bore, purchase custom bore and a TVT Sales Engineer will contact you to define the bore. Allow 6-8 weeks for production & transport.
Lenze 11.104 catalog page (Open PDF in new window) for comparison.