Thông số kỹ thuật servo motor Allen bradley: This brushless servo motor by Rockwell has a RPM rating of 7000 RPM. Additionally, this AB permanent magnet servo motor comes with a stack length of 2 in. This brushless servo motor has a braking feature built-in for braking applications, a single-turn high-resolution (128 sin/cos) feedback on the servo motor, and a shaft key installed for applications requiring a shaft key. Furthermore, this Allen-Bradley drive also is a 165 mm frame size servo motor.