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RM-5 Motorized Rotary Stage

RM-5 Series Motorized Rotary Stage

The design takes advantage of a single preloaded crossed roller bearing for the table movement. This design approach eliminates the use of a dual bearing configuration thus improving on axial runout and wobble. This rotary table utilizes a worm gear drive with available gear ratios of 72:1 and 36:1. The worm gear is preload to minimize the backlash in the gear train.

The RM-5 motorized rotary stage is avalible with a Nema 23 stepper motor, MDrive stepper motor with integrated controller, or brushless DC servo motor for high speed applications.


RM-5 Part Number Configuration
Select a gear ratio and motor type

Typical lead-time: 4-5 Weeks
Typical lead-time: MDrive Motor Option – Limited Availability
Part Number: RM-5

Accessories for MDrive Motor Option
rs-422 to usb mdrive  RS-485/422 to USB adapter with ribbon cable for MDrive motor.
In Stock


Part Number: 250138

900055 - Power Supply, 24V, 2.5A  Universal AC/DC Power Supply
Input: 100-240 VAC 50/60 Hz
Output: 24V, 2.5A
Plug: 2.1 x 5.5 mm
In Stock


Part Number: 900055


up to 0.36 arc-sec (depends on gear ratio and motor type)
±72 arc-sec
Max. Speed
Stepper Motor: 25°/sec (72:1 gear ratio), 100°/sec (36:1 gear ratio)
Servo Motor: 125°/sec (72:1 gear ratio), 250°/sec (36:1 gear ratio)
Unidirectional Repeatability
5 arc-sec
Bi-directional Repeatability
45 arc-sec
Max. Output Torque
12.5 Nm (110 lb-in) with 72:1 gear ratio, 5.6 Nm (50 lb-in) with 36:1 gear ratio
Max. Moment Load
54.2 Nm (480 lb-in)
Max Load Capacity
90.7 kg (200 lbs)
Travel Range
360° Continuous
Optical rotary encoder mounted to rear of motor, 4000 CPR with Index
Limit Switches
Optical home switch (Optional)
Optical index mark on encoder (with encoder option)
Gear Ratio
72:1 or 36:1
Stage Weight
3.6 kg (8 lbs)
Aluminum Alloy Construction
Black Anodize


strong>RM-5 Motorized Rotary Stage
RM-5 Motorized Rotary StageClick to Enlarge

RM-5 MDrive Motorized Rotary Stage
RM-5 MDrive Motorized Rotary StageClick to Enlarge

RM-5 Servo Motorized Rotary Stage
RM-5 Servo Motorized Rotary StageClick to Enlarge

Motor Options


Size 23 Stepper Motor

  • NEMA 23 high torque stepper motor
  • 2.8 Amp/Phase
  • 0.9 Ohm/Phase
  • 2.5 mH/Phase
  • 1.8 degrees/step
  • Compatible with the following motion controllers:
    NSC-A1 Series | NSC-G Series


Size 23 MDrive Intelligent Stepper Motor

The MDrive motor is a NEMA size 23 high torque 1.8° stepper motor integrated with an advanced, high resolution microstepping driver and a full featured programmable motion controller. With the MDrive motor there is no need for an external motion controller.

  • Integrated microstepping driver, motion controller and high torque motor
  • Two +5 to +24 VDC I/O lines
  • One 10 bit analog input selectable: 0 to +10 VDC, 0 to +5 VDC
  • RS-422/485 Communications
  • Input Voltage: +24 VDC

Download MDrive Software and User Manual

Nema 23 Brushless Servo Motor

Size 23 Brushless DC Servo Motor

  • NEMA 23 brushless DC servo motor
  • 4000 Count/rev optical rotary encoder with index mark
  • Continuous Torque: 0.81 Nm (116 oz-in)
  • Compatible with the following motion controller:
    NSC-G Series | NSC-3311 Series