Berges® Control Pulley type R210b for use with wide belts type CW-b 37 and spring tensioning pulley F210b or D210b. Diameter of 220mm with length through the bore 122mm. Die-cast aluminum pulley faces with steel slide hub with thrust bearing on one side. Casting numbers 11000544 and 11000331 ; castings maybe used on other series of pulleys.
Maximum shaft diameter 38mm 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 130mm, Berges 122mm.
3. Lenze Diameter 205mm, Berges Diameter 220mm (15mm greater diameter, 7.5mm in radius).
4. Lenze 11.213.20 and 11.218.20 and Berges RF210b use 37mm wide 28º Variable Speed Belt. CW-b 28\\37. 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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