Alpha SK 140S-MF1-3-1K1 Right Angle Gearbox, Ratio 3:1

The Alpha SK 140S-MF1-3-1K1 is a precision right-angle gearbox from Wittenstein Alpha, built for demanding motion control applications requiring high torque transmission, compact installation, and long service life. It combines a spiral bevel gear stage with a planetary stage for optimal performance. Model: SK 140S-MF1-3-1K1 Manufacturer: Wittenstein Alpha Gearbox Type: Right-Angle Planetary Gearbox (SK Series) Frame Size: 140 mm Input Interface: MF1 (Motor Flange Type 1) Output Shaft Type: Solid shaft with keyway (standard 1K1 configuration) Gear Ratio: 3:1 Nominal Output Torque: ~650 Nm (depending on application and duty cycle) Max Output Torque: ~900 Nm Backlash: ≤ 4 arcmin (standard precision, lower available on request) Max Input Speed: 6,000 rpm Efficiency: ≥ 94% Mounting Position: Universal (horizontal, vertical, etc.) Lubrication: Lifetime grease-lubricated (maintenance-free) Protection Class: IP65 Operating Temperature Range: -25°C to +90°C Housing Material: High-strength aluminum alloy with steel gearing Applications: Robotics, packaging machinery, CNC machines, conveyors, and servo systems Made in Germany