Sweg Motor Sweg Motor

86mm NEMA34 Stepper Motor 4.9n·M 2-Phase 1.8° for Medium-Duty CNC Mill and Plasma Table with Encoder Option

Customization: Available
Speed: Variable Speed
Number of Stator: Two-Phase

Product Description

⚙️ Basic Info.
Model NO.CW-86BH128-300A-55D
Excitation ModeHB-Hybrid
FunctionControl, Driving
CertificationISO9001
CertifiedCE, RoHS
UsageCNC Machine, Engraving Machine, 3D Printing Machine
Specification86X86X114MM
OriginChina
HS Code85013100
Production Capacity1300000 sets
📦 Packaging & Delivery
Package Size172.00cm * 106.00cm * 106.00cm
Package Gross Weight5.200kg
🔍 Product Description
NEMA34 Stepper Motor Banner
NEMA 34 Product Detail

Model: CW-86BH128-300A-55D

The 86BH128 is a NEMA 34 hybrid stepper motor with a 128mm body, delivering 4.90 N·m (50 kg·cm) holding torque at 3.0A. Its long body provides high torque while maintaining moderate current consumption, making it a popular choice for heavy CNC routers, plasma tables, and large-format engravers.

⭐ KEY HIGHLIGHTS

  • 4.90 N·m (50 kg·cm) holding torque
  • 86mm (NEMA 34) frame, 128mm body
  • 2-phase, 4-lead design
  • 12mm shaft diameter
  • Recommended driver: CWD860H
📊 Full Specification
PARAMETER VALUE
Step Angle1.8° ± 5%
Holding Torque4.90 N·m (50 kg·cm)
Rated Current3.0 A/Phase
No. of Phases2
No. of Leads4
Shaft Diameter12mm
Frame Size86mm (NEMA 34)
Body Length128mm
Weight3.6 kg
Recommended DriverCWD860H
Motor Dimension View 1 Motor Dimension View 2 Motor Dimension View 3
Technical Drawing 1 Technical Drawing 2 Technical Drawing 3
🏭 Industrial Expertise
OEM Expertise

30+ Years of Motion Control

As a specialized OEM manufacturer of motors and motion control solutions, we have over 30 years of production experience. We serve 1800+ industrial clients worldwide, providing customized solutions for equipment manufacturers and automation engineers.

Our core strength is OEM customization: we design and produce motors that match exact application requirements — from shaft dimensions and winding specs to encoder type and connector configuration. Since all motor components are manufactured in-house, we have the capability to carry out comprehensive development based on specific needs.

Factory View
Production Detail 1 Production Detail 2 Production Detail 3
Factory Machine Quality Control
Frequently Asked Questions
Q1: What is the holding torque of the CW-86BH128-300A-55D motor?
A: The motor delivers a high holding torque of 4.90 N·m (50 kg·cm), making it ideal for medium to heavy-duty industrial applications.
Q2: What are the main applications for this NEMA 34 stepper motor?
A: It is commonly used in CNC routers, plasma tables, engraving machines, 3D printing machines, and other industrial automation systems.
Q3: Which motor driver is recommended for this model?
A: We recommend using the CWD860H driver for optimal performance and stability.
Q4: Can the shaft and other specifications be customized?
A: Yes, we specialize in OEM customization. Shaft dimensions, winding specifications, and connector configurations can be tailored to your requirements.
Q5: What is the step angle of this hybrid stepper motor?
A: The step angle is 1.8° with a precision tolerance of ± 5%.
Q6: Does the motor comply with international certifications?
A: Yes, this motor is manufactured under ISO9001 standards and is both CE and RoHS certified.

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