CNC Aluminium Flexible Bellows Coupling D80L103 – Stepper Motor

CNC Aluminium Alloy Flexible Bellows Shaft Coupling – D80L103

Upgrade your CNC machine or stepper motor setup with this precision-engineered Corrugated Bellows Shaft Coupling (D80L103). Crafted from high-quality aluminium alloy, this flexible coupling delivers reliable torque transmission while accommodating shaft misalignment — keeping your motors and drives running smoothly and accurately.

Key Specifications

• Outside Diameter (D): 80 mm
• Length (L): 103 mm
• Material: Aluminium Alloy
• Structure: Metal Bellows (Flexible)
• Compatible Bore Sizes: 22 / 24 / 26 / 28 / 30 / 32 / 34 / 36 / 38 / 40 / 42 mm
• Model Number: D80L103
• Standard: Standard
• Brand: KANDE BEARINGS

Why Choose This Shaft Coupling?

• Flexible Bellows Design: Compensates for angular, parallel, and axial shaft misalignment, protecting your motors and bearings from undue stress.
• High-Strength Aluminium Alloy: Lightweight yet durable, offering excellent corrosion resistance and longevity in demanding environments.
• Wide Bore Compatibility: Available in a broad range of inner diameter sizes (22–42 mm), making it versatile for various CNC and stepper motor applications.
• Precision CNC Machined: Tight tolerances ensure accurate shaft connection and smooth power transmission.
• Easy Installation: Standard design for straightforward fitment into your existing drive system.

Ideal Applications

• CNC routers and milling machines
• Stepper and servo motor drives
• 3D printers and laser engravers
• Robotics and automation systems
• Lead screw and ball screw assemblies

Made in Mainland China.

Need a different size or configuration? Contact us — we offer additional options to suit your specific project requirements.

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Frequently Asked Questions

Q: What bore sizes are available for the D80L103 corrugated bellows coupling?

A: This aluminium alloy shaft coupling is available in the following inner diameter (bore) sizes: 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, and 42 mm. Please select the bore size that matches your motor and lead screw shafts when ordering, or contact us if you need a custom size.

Q: Is this coupling suitable for stepper motors and CNC machines?

A: Yes. The D80L103 flexible bellows coupling is specifically designed for use with stepper motors, servo motors, and CNC drive systems. Its corrugated metal bellows structure allows it to handle slight shaft misalignment while maintaining precise torque transmission — making it ideal for CNC routers, 3D printers, and automation equipment.

Q: What is the outside diameter and length of this coupling?

A: The outside diameter (D) is 80 mm and the overall length (L) is 103 mm. It is precision CNC machined from aluminium alloy for accuracy and durability.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.