Berges® Control Pulley type R100b for use with wide belts type CW-b 22 and spring tensioning pulley F100b. Diameter of 120mm with length through the bore 72mm. Die-cast aluminum pulley faces with steel slide hub with thrust bearing on one side. Casting number 11000307 or 11000308 ; castings are used on other series of pulleys. Maximum shaft diameter 24mm with standard bores listed for sale. To order a bore not listed, please select CUSTOM, add to your cart, and checkout. A TVT Representative will contact to finalize the desired bore selection and send to production; please allow 6-8 weeks for made to order bores.
1. When interchanging Lenze to Berges we recommend replacing BOTH the Control (Bearing pulley) and the Tensioning (Spring pulley).
2. Lenze length through bore is 65mm, Berges 72mm.
3. Lenze Diameter 102mm, Berges Diameter 120mm (18mm greater diameter, 9mm in radius).
4. Lenze 11.213.10 and Berges RF100b use 22mm wide 28º Variable Speed Belt. CW-b 22. Lenze belt lengths are measured by inside diameter "Li" in millimeter, Berges belt lengths are measured by outside diameter "Lw". Thickness of belt is not relevant to interchange or performance, these may vary with production lot and are not critical measure.
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