DISKUS DDS 457 II CRA is a Double surface grinder with two opposing wheels, engineered for precision, high accuracy and reliable production. Working range: work-piece diameter 5–60 mm, max height 1–20 mm; two grinding heads in bilateral (above, below) arrangement. Main technical data: grinding wheels Ø457×W75 mm, bore 76 mm; fixed wheel speed 753 t/min, peripheral speed 18 m/s; voltage 380 V; grinding motors 2×15 kW; total installed power 33 kW; machine weight ≈5000 kg; footprint L4000×W3000×H2700 mm. Delivers tight tolerances for applications in automotive, aerospace, machine tools, medical and watchmaking.