Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	High-Strength Aluminum Alloy
Coupling Type	Single/Double Diaphragm
Application	Servo Motors and Stepper Motors
Feature	Zero Backlash with Keyway Option
Flexibility	High Torsional Rigidity
Misalignment Compensation	Angular, Parallel, and Axial
Surface Treatment	Black Anodized Finish
Operating Temperature	-20°C to +80°C
Max Speed	10,000 RPM
Package Contents	1x Coupling, 4x Set Screws, 1x Key

6 reviews

Anonymous

Mar 25, 2026

Rating: 5/5

Solid construction

Very impressed with the build quality. The aluminum feels premium, and the diaphragm design allows for smooth operation at high speeds. No vibration issues whatsoever.

Anonymous

Mar 19, 2026

Rating: 4/5

Great value, minor shipping delay

The coupling itself is fantastic. Lightweight yet very rigid. It handled the misalignment in my setup better than the old rubber spider coupling. Took a bit longer to arrive than expected, but worth the wait.

Anonymous

Mar 11, 2026

Rating: 5/5

Exactly as described

Needed a specific bore size with a keyway for a legacy motor retrofit. This fit the bill perfectly. Installation was straightforward with the included set screws.

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect for my CNC upgrade

Installed this on my Z-axis servo motor. The zero backlash is noticeable immediately, and the machining quality is excellent. The keyway fits perfectly without any modification needed.

Anonymous

Mar 03, 2026

Rating: 4/5

Good performance

Works well in my robotics arm application. The double diaphragm version provides great flexibility. Only giving 4 stars because the instructions were minimal, but it's easy to figure out if you have experience.

Anonymous

Mar 02, 2026

Rating: 5/5

Reliable and durable

Been running this coupling continuously for three months in an industrial environment. No signs of wear or fatigue. Highly recommend for anyone needing reliable motion control components.

5 FAQ

Q: Does this coupling come with the keys for the keyway?

A: Yes, the package includes one matching key along with the necessary set screws for installation.

Q: Is this suitable for outdoor use?

A: While the aluminum alloy is anodized for corrosion resistance, we recommend using a protective cover if the coupling will be exposed to direct rain or harsh chemicals outdoors.

Q: Do you offer custom bore sizes for this model?

A: We currently stock standard metric and imperial bore sizes. For custom bores, please contact our sales team directly to discuss lead times and feasibility.

Q: Can I return this if the bore size is wrong?

A: Absolutely. As long as the item is unused and in original packaging, you can return it within 30 days for a full refund or exchange.

Q: What is the maximum angular misalignment this can handle?

A: Depending on the specific model size, our diaphragm couplings typically handle up to 1.5 degrees of angular misalignment. Please check the detailed spec sheet for your specific bore size.

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