Product Name: Servomech DFN-D.50.20.4R Double Nut with Flange Product Brand: Servomech Product Code: DFN-D.50.20.4R Product Artikel: Servomech DFN-D.50.20.4R Double Nut with Flange
DFN Series double ball nuts with flange: Available with zero backlash or preloaded Different dimensions available (DIN 69051, customer’s specs or SERVOMECH design) Materials: Threaded shafts: alloy steel 42CrMo4 or 50CrMo4 (UNI EN 10083-1), quenched Hardness of ball tracks within the range (58 … 61) HRc Ball nuts: alloy steel 18 NiCrMo5 (UNI EN 10084), case-hardened Hardness of surfaces in contact within the range (58 … 61) HRc Ball recirculating elements: alloy steel, case-hardened, with a surface hardness (50 … 55) HRc or plastic material depending on the application requirements Working temperature: (-20 … +110)°C Using special materials, it is possible to achieve temperature up to 500° C