Alpha Wittenstein SPK-140S-MF2-20 Right Angle Gearbox, Ratio 20:1

Alpha Wittenstein SPK‑140S‑MF2‑20 is a high‑precision right‑angle planetary gearbox designed for servo motor applications requiring high torque density, excellent positioning accuracy, and compact installation in industrial motion control systems. Manufacturer: Alpha Wittenstein GmbH Product family: SPK Series Catalog number: SPK‑140S‑MF2‑20 Gearbox type: Precision right‑angle planetary gearbox Gear arrangement: Spiral bevel gear with planetary output stage Gearbox size: 140 frame size Gear ratio: 20:1 Configuration: Right‑angle output Precision class: Low backlash precision gearbox Nominal output torque: Approx. 700 Nm Maximum output torque: Up to 1400 Nm Emergency stop torque: Up to 2000 Nm Input speed rating: Up to 6000 rpm Maximum input speed: Up to 9000 rpm Output speed (max): Dependent on gear ratio and input speed Backlash: ≤6 arcmin (typical for SPK series) Torsional stiffness: High rigidity design for servo control Efficiency: ≥94% Input interface: Motor flange MF2 Motor adaptability: Designed for common servo motor brands via adapter flanges Output shaft type: Solid shaft Output bearing type: High‑capacity tapered roller bearings Bearing load capacity: Suitable for high radial and axial loads Lubrication: Lifetime synthetic grease Cooling: Natural convection Housing material: High‑strength aluminum alloy Housing finish: Blue industrial coating Mounting positions: Any mounting orientation Protection rating: IP64 Operating temperature range: 0…90 °C Noise level: Low‑noise precision gearing Application areas: Robotics, automation, packaging, machine tools, material handling Certifications: CE compliant Maintenance: Maintenance‑free under normal operating conditions Weight (approx.): 18 kg Country of manufacture: Germany