Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	High-Grade Aluminum Alloy
Connection Type	Flexible Spider Diaphragm Bellows
Application	Stepper and Servo Motors
Torque Capacity	High Torque Transmission
Misalignment Compensation	Angular, Parallel, and Axial
Operating Temperature	-20°C to 80°C
Surface Finish	Anodized Black
Brand Series	Guangzhida GC Series
Maintenance	Maintenance-Free Operation
Compatibility	Cross Slider Connection Joint

6 reviews

Anonymous

Mar 29, 2026

Rating: 4/5

Great torque transmission

Works exactly as described. It handles the high torque of my servo motor without any slippage. Only giving 4 stars because the delivery took a bit longer than expected.

Anonymous

Mar 24, 2026

Rating: 5/5

Perfect fit for my CNC router

This coupling solved the vibration issues I was having with my stepper motor setup. The build quality is excellent, and the aluminum feels very sturdy. Installation was straightforward.

Anonymous

Mar 14, 2026

Rating: 4/5

Good value for money

Solid construction and performs well under load. It is slightly heavier than some plastic alternatives, but the durability makes up for it.

Anonymous

Mar 13, 2026

Rating: 5/5

Robust and reliable

I have been using these couplings in an industrial setting for three months now, and they show no signs of wear. The anodized finish holds up well against minor abrasions.

Anonymous

Mar 12, 2026

Rating: 5/5

Excellent flexibility

The diaphragm bellows design allows for great misalignment compensation. My machine runs much smoother now. Highly recommend for precision applications.

Anonymous

Mar 01, 2026

Rating: 5/5

Solved my alignment issues

My motor shaft and lead screw were never perfectly aligned. This flexible joint absorbed the error completely, eliminating the noise and binding.

5 FAQ

Q: What is the maximum bore size available for this coupling?

A: The maximum bore size depends on the specific model number within the GC series, but standard sizes range up to 20mm. Please check the detailed specification sheet for your specific variant.

Q: Does this require regular lubrication?

A: No, the GC Series Flexible Spider Diaphragm couplings are designed to be maintenance-free and do not require lubrication during their operational life.

Q: Is this coupling suitable for outdoor use?

A: While the aluminum alloy is anodized for corrosion resistance, this coupling is primarily designed for indoor industrial or hobbyist machinery. For harsh outdoor environments, additional protective housing is recommended.

Q: What tools are needed for installation?

A: Installation typically requires a standard set of hex keys (Allen wrenches) to tighten the set screws. Ensure you use a torque wrench to apply the manufacturer's recommended tightening torque for optimal performance.

Q: Can it handle reverse rotation frequently?

A: Yes, this coupling is engineered to handle frequent start-stop cycles and reverse rotation commonly found in servo and stepper motor applications without losing torsional stiffness.

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