Rtelligent CLOSED LOOP STEPPER MOTOR 86mm FLANGE 8.5N.M. HOLDING TORQUE-86AM85ED

The Rtelligent 86AM85ED Closed Loop Stepper Motor combines the simplicity of a stepper motor with the reliability of closed-loop feedback technology. Its powerful 8.5N.m holding torque ensures stable operation under heavy loads, while the integrated encoder enables real-time position correction, preventing lost steps during operation. Designed for continuous industrial use, this motor features Class B insulation, high-quality bearings, and a rugged construction capable of operating in temperatures ranging from -20°C to +50°C. With low resistance and optimized inductance, it provides fast response, excellent acceleration, and improved energy efficiency when paired with compatible closed-loop stepper drivers. Whether you're building CNC routers, industrial robots, automated production systems, or precision positioning equipment, the Rtelligent 86AM85ED offers dependable performance, high accuracy, and long service life. Features: High 8.5N.m holding torque for demanding applications Closed-loop control prevents missed steps and improves positioning accuracy Standard 86mm (NEMA 34) mounting flange Smooth, low-vibration and low-noise operation High 6A phase current for superior torque output Durable Class B insulated winding for long operational life Suitable for CNC machines, robotics, engraving and automation Wide operating temperature range from -20°C to +50°C Specifications : Product Type : Closed Loop Stepper Motor Model : 86AM85ED Motor Type : Hybrid Closed Loop Stepper Motor Frame Size : 86mm (NEMA 34) Flange Size : 86mm Step Angle : 1.8° ±5% Number of Phases : 2 Phase Rated Voltage : 3.18V Rated Current : 6.0A Holding Torque : 8.5N.m Phase Resistance : 0.53Ω ±10% @25°C Phase Inductance : 5.54mH ±20% @1kHz, 1Vrms Insulation Resistance : ≥100MΩ Dielectric Strength : 500VAC for 1 Minute Insulation Class : Class B Maximum Temperature Rise : 80K Max. Rotor Inertia : 2800g·cm² Shaft Type : KeyWay Shaft Shaft Length : 40 mm Shaft Diameter : 14mm Shaft Key Size : 5 × 5 × 25mm Allowable Axial Load : 10N Allowable Radial Load : 100N (At Shaft End) Operating Temperature : -20°C to +50°C Operating Humidity : 15%–90% RH Wiring Configuration : 4-Wire Bipolar Weight : 3900g Package Includes: 1 x Rtelligent CLOSED LOOP STEPPER MOTOR 86mm FLANGE 8.5N.M. HOLDING TORQUE-86AM85ED

Specifications

Holding Torque	8.5N.m
Step Angle	1.8° ±5%
Rated Current	6.0A per phase
Rated Voltage	3.18V
Motor Flange Size	86mm (NEMA 34)
Shaft Type	KeyWay Shaft
Shaft Length	40 mm
Shaft Diameter	14mm
Shipping Weight	4 kg
Shipping Dimensions	21 × 20 × 7 cm