Home > Industrial Equipment & Components > Power Transmission Parts > Shaft Coupling > Precision Figure 8 Flexible Shaft Coupler 304 Stainless Steel 10mm-50mm Bore Zero Backlash for Servo Motor

Precision Figure 8 Flexible Shaft Coupler 304 Stainless Steel 10mm-50mm Bore Zero Backlash for Servo Motor

Precision Figure 8 Flexible Shaft Coupler 304 Stainless Steel 10mm-50mm Bore Zero Backlash for Servo Motor photo-1
Precision Figure 8 Flexible Shaft Coupler 304 Stainless Steel 10mm-50mm Bore Zero Backlash for Servo Motor photo-2
Precision Figure 8 Flexible Shaft Coupler 304 Stainless Steel 10mm-50mm Bore Zero Backlash for Servo Motor photo-3
Precision Figure 8 Flexible Shaft Coupler 304 Stainless Steel 10mm-50mm Bore Zero Backlash for Servo Motor photo-4
Precision Figure 8 Flexible Shaft Coupler 304 Stainless Steel 10mm-50mm Bore Zero Backlash for Servo Motor photo-5

Product Spotlights

Zero backlash 304 stainless steel Figure 8 flexible shaft coupler, bore 10-50mm. High torsional stiffness, corrosion resistant, compensates misalignment. Customizable bore/keyway. Ideal for servo motors, encoders, precision positioning systems. ISO9001 factory, global export.
Negotiable MOQ: 10 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, 304 Stainless Steel
Type:
Other, Figure 8 Flexible Shaft Coupler
Bore Size:
10mm-50mm
Payment & Shipping
Payment Methods:
Port of Shipment:
tianjin
Delivery Detail:
30 days
Material Other, 304 Stainless Steel
Type Other, Figure 8 Flexible Shaft Coupler
Bore Size 10mm-50mm
Feature Zero Backlash
Application Servo Motor, Stepper Motor, Encoder
Surface Finish Bright Annealed
Customization Custom bore, keyway, set screw available
Accuracy High concentricity and dynamic balance

Precision Figure 8 Flexible Shaft Coupler – engineered for demanding servo motor applications, this 304 stainless steel coupling delivers zero backlash performance with bore sizes from 10mm to 50mm. Manufactured by Hebei Speed Torque Transmission Technology Co., Ltd., a certified ISO9001 company with over 7 years of export experience to global markets, every coupler is designed to provide reliable torque transmission while compensating for misalignment, vibration, and thermal expansion. Our factory spans 3,000-5,000 square meters, operated by a skilled team of 101-200 employees, ensuring consistent quality and timely delivery from ports in Shanghai, Tianjin, and Qingdao.

Key Features & Technical Specifications

  • Zero Backlash Design – Precision-machined helical cuts eliminate clearance for accurate positioning in servo and stepper motor systems.
  • 304 Stainless Steel Construction – Excellent corrosion resistance and durability for harsh industrial environments.
  • Wide Bore Range (10mm-50mm) – Accommodates various shaft sizes with available keyway and set screw options.
  • Flexible Figure 8 Geometry – Provides angular, parallel, and axial misalignment compensation without sacrificing torque capacity.
  • High Torsional Stiffness – Ideal for applications requiring precise motion control and repeatable positioning.
  • Easy Installation – Compact one-piece design with balanced clamping screws for secure shaft attachment.
  • Customizable Options – Bore finish, length, and material combinations available upon request.

Typical Technical Parameters (Sample Sizes)

Bore Diameter (mm) Outer Diameter (mm) Length (mm) Max Torque (N·m) Max Speed (rpm)
10 20 25 1.2 12000
20 34 34 4.5 10000
30 50 45 10.0 8000
40 66 55 18.0 6000
50 80 65 28.0 5000

Note: Values shown are representative. Full specifications for each size are available in our product datasheets. Custom diameters and lengths can be manufactured per your requirements.

Benefits for Your Application

  • Enhanced Machine Accuracy – Zero backlash eliminates hysteresis, allowing servo systems to achieve precise positioning and repeatability.
  • Reduced Downtime – The flexible design absorbs shock loads and compensates for misalignment, extending the life of connected equipment.
  • Corrosion Resistance – 304 stainless steel withstands moisture, chemicals, and washdown environments, making it suitable for food processing, packaging, and outdoor machinery.
  • Versatile Integration – Drop-in replacement for existing Figure 8 couplers; compatible with servo motors, encoders, and linear actuators.
  • Space-Saving Design – Compact one-piece construction eliminates the need for separate components, simplifying assembly and reducing weight.

Why Partner with Hebei Speed Torque Transmission Technology?

Since 2017, our company has grown into a reliable supplier with an annual export value of US$5–10 million and a presence across North America, Europe, Asia, Africa, and Oceania. We hold ISO9001:2015 certification and operate a modern factory covering 3,000–5,000 sqm. Each coupler undergoes rigorous dimensional and performance testing before shipment. With direct access to three major Chinese ports (Shanghai, Tianjin, Qingdao), we ensure efficient logistics and competitive lead times. Our technical team is always ready to support custom bore modifications, special materials, and application-specific designs.

Ready to upgrade your motion system? Contact our sales team today to request a quote or free sample. Whether you need standard sizes or custom solutions, we deliver precision that drives your machinery forward.

Frequently Asked Questions

  1. Q: What materials are available besides 304 stainless steel?
    A: We also offer 303 stainless steel, 316 stainless steel, and aluminum alloy. Contact us for specific corrosion or strength requirements.
  2. Q: How do I ensure zero backlash in my application?
    A: Our coupling’s helical cut design preloads the elements. Proper tightening of set screws or clamping screws according to our torque specs ensures zero backlash throughout operation.
  3. Q: Can you supply custom bore sizes not listed?
    A: Yes, we provide custom bore machining for any diameter within the range. Minimum order quantities may apply; please discuss with our sales team.
  4. Q: Is this coupler suitable for high-speed applications?
    A: Absolutely. The balanced design allows speeds up to 12,000 rpm depending on size. Dynamic balancing can be added for extreme speeds.
  5. Q: What is the maximum misalignment this coupler can handle?
    A: Typical values: angular up to 2°, parallel up to 0.2mm, and axial up to ±0.5mm. Actual capacity varies with size; consult our technical data.
  6. Q: Do you provide samples before bulk orders?
    A: Yes, sample orders are welcome. We can ship samples via express for your evaluation. Lead time for samples is usually 3–7 days.
  7. Q: How long is the warranty?
    A: We offer a 12-month warranty against manufacturing defects. Extended warranty options are available upon request.
  8. Q: What sets your coupler apart from competitors?
    A: Our strict quality control, ISO9001 certification, flexible customization, and competitive pricing backed by a dedicated engineering team ensure you get the right solution for your exact needs.

* All specifications subject to change without notice. Please confirm with our sales team for current technical data.

Product Tags: Zero Backlash Flexible Coupler , 304 Stainless Steel Figure 8 Coupler , Precision Servo Motor Coupler

Send Inquiry to This Supplier

* Message
0/5000

Want the best price? Post an RFQ now!
Platinum Verified Supplier
1Yr
Verified Business License
Year Established
2017
Factory Size
3,000-5,000 square meters
Annual Export Value
US$5 Million - US$10 Million
Total Employees
101 - 200 People