AK-RB Series

The shaft type 5-phase stepper motors AK Series, deliver reliable performance at low costs. The motors will satisfy users looking for motors with high precision, speed, and torque. The AK-RB Series are rotary acutator shaft type stepper motors with built-in brakes offering higher torque and with greater installation flexibility and more stable and safe user operation.


* Compact design and light weight with high accuracy, speed and torque
* Cost-effective
* Backlash
Frame size 42mm: ±35′ (0.58°),
60mm: ±20′ (0.33°), 85mm: ±15′ (0.25°)
* Brake force is released when applying 24VDC on brake wire
* Basic step angle
1:5→ 0.144°, 1:7.2→ 0.1°, 1:10→ 0.072°
* Allowable speed
1:5→ 0 to 360rpm, 1:7.2→ 0 to 250rpm
1:10→ 0 to 180rpm

Title Type Size
AK Series (CE Mark) application/pdf 200 KB
Stepper Motors / Stepper Motor Drivers / Motion Controllers Selection Guide application/pdf 6 MB
AK-RB/AK-R Series application/pdf 543 KB
5-Phase Stepper Motors Series (Installation Instruction) application/pdf 571 KB
Stepper Motors & Drivers & Controllers (Applications) application/pdf 508 KB
Stepper Motors & Drivers & Controllers (Technical Description) application/pdf 582 KB
5-Phase Sepper Motor And Driver (Specifications) application/pdf 532 KB
5-Phase Stepper Motors (Ordering Information & Specifications) application/pdf 684 KB
Model/Specifications Series (5Phase) application/pdf 307 KB
AK-G/AK-GB/AK-R/AK-RB Series application/pdf 531 KB