Description Overview Inventory number: E-5626 Rieter R20 and R1 open end spinning frames for sale Pictures available Specifications Rieter R20 OE 4625 spinning frame for cotton, synthetic fibers and their mixtures Year 1998 280 rotors Diameter of rotor: 32 mm Yarn fineness (tex): 125 – 10 Bobbin shape cylindrical or conical 1°51´, 3°51´, 4°20´, traverse 150 mm