SPS/SPR Series – Planetary Rotary Reducer (Shaft output)

Product Description

  • Nominal output torque : 17Nm to 2200Nm
  • Backlash: 1-12 arcmin.
  • Available reduction ratios from 1:3 to 1:100.
  • This planetary reducer is designed to use with various servomotors.
  • Sealed shut design; lubricated for life and easy to install
  • High torque capacity and low inertia.
  • SPS : Planetary gearbox with square output mountings.
  • SPR : Planetary gearbox with round output mountings.


  • This Planetary Speed Reducer has a Shaft-style Output face.
  • Output housing is Aluminum.
  • Suitable for Combination with any kind of motors.
  • Total enclosed design, easy to install and combination.
  • High rating torque and low inertia.
  • The design of long shaft is suitable to drive by rack and simplify the mechanism.

(*) Please contact SMD for 3 stage planetary gearbox.

(*) For input speeds above 3000 rpm, please consult us, with application details. 

(*) At permissible input speed and Nominal Output Torque.

About Company

Our Company Name SMD stands for SEIMITSU MOTION DRIVES as a trailblazer in the solution provider of various types of industrial Gearbox in Taiwan. SMD is one of the largest solution providers and exporters of Gearbox as well as Motion Products. SMD earned its position in the market as a professional solution provider of mechanical products, which specialize in designing, planning, production, and sales of integrity. With innovation and passion, we are committed to being your best business partner in the field of Gearbox and motion technology.

Contact Us

5 F., No. 232, Sec. 3, Zhongshan Rd., Taiping Dist., Taichung City 41171, Taiwan
+886 9 6738 8376
Mon - Fri: 8:00 - 17:00